Case: 20-1693 Document: 43 Page: 1 Filed: 02/23/2021
NOTE: This disposition is nonprecedential.
United States Court of Appeals
for the Federal Circuit
______________________
MMODAL LLC,
Appellant
v.
NUANCE COMMUNICATIONS, INC.,
Appellee
______________________
2020-1693
______________________
Appeal from the United States Patent and Trademark
Office, Patent Trial and Appeal Board in No. IPR2018-
01355.
______________________
Decided: February 23, 2021
______________________
GABRIEL K. BELL, Latham & Watkins LLP, Washing-
ton, DC, argued for appellant. Also represented by INGE
OSMAN, JONATHAN M. STRANG, KEVIN WHEELER; DAVID K.
CALLAHAN, Chicago, IL.
NATHAN R. SPEED, Wolf, Greenfield & Sacks, PC, Bos-
ton, MA, argued for appellee. Also represented by RICHARD
GIUNTA, ELISABETH HUNT, ANDREW TIBBETTS.
______________________
Case: 20-1693 Document: 43 Page: 2 Filed: 02/23/2021
2 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
Before REYNA, TARANTO, and STOLL, Circuit Judges.
TARANTO, Circuit Judge.
Nuance Communications, Inc. owns U.S. Patent No.
7,379,946, entitled “Categorization of Information Using
Natural Language Processing and Predefined Templates.”
At the request of MModal LLC, the Patent Trial and Ap-
peal Board instituted an inter partes review (IPR) of claims
1–6 of the ’946 patent under 35 U.S.C. §§ 311–319. The
Board eventually rejected MModal’s proposed construction
of a key claim limitation—“information . . . required for
generation of a particular report”—and determined that
MModal had failed to prove unpatentability. MModal LLC
v. Nuance Commc’ns, Inc., No. IPR2018-01355, 2020 WL
582392 (P.T.A.B. Feb. 5, 2020) (Final Written Decision).
MModal timely appealed under 35 U.S.C. §§ 141, 319.
We have jurisdiction under 28 U.S.C. § 1295(a)(4)(A). We
affirm.
I
A
The ’946 patent describes and claims methods for put-
ting text (data stream) into structured formats (templates)
by extracting specified information from the text. See ’946
patent, col. 1, lines 65–67 (“The invention relates generally
to methods and apparatus for categorizing input data in
speech recognition systems and classifying the data into
predetermined classifications.”). According to the patent,
existing systems that used natural-language-processing
software “tend[ed] to be large and complex” and were “not
fully capable of extracting all of the relevant information
from, for example, a medical report.” Id., col. 2, lines 24–
29. The patent’s description of the background to the in-
vention focuses on medical reports, referring to “predeter-
mined categorization scheme[s]” known in the medical field
for slotting diagnosis and treatment information into spec-
ified information fields for, e.g., billing, compliance
Case: 20-1693 Document: 43 Page: 3 Filed: 02/23/2021
MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 3
documents, or government reporting. Id., col. 2, line 33
through col. 4, line 11.
The ’946 patent proposes a method of processing free-
form input data and identifying “latent information,” ac-
cording to “a predetermined classification of information,”
such as information about “a particular medical problem”
or “an allergy, a treatment, or a medication.” Id., col. 7,
lines 10–16. The patent describes retrieval of a “user-de-
fined template” “based on characteristics of the latent data
within the data stream.” Id., col. 7, lines 34–55. A tem-
plate “associated with a predetermined classification
scheme” is generally used for organizing the information,
id., col. 4, lines 44–62, and may also fill a need to give
“prompts or reminders [to a user] to collect certain prede-
termined information,” id., col. 4, lines 32–35.
Claim 1 of the ’946 patent, the sole independent claim,
includes the only claim limitation at issue here. It recites:
1. A computer implemented method for generating
a report that includes latent information, compris-
ing;
receiving an input data stream;
performing one of normalization, validation, and
extraction of the input data stream;
processing the input data stream to identify la-
tent information within the data stream that
is required for generation of a particular re-
port, wherein said processing of the input data
stream to identify latent information comprises of
identifying a relevant portion of the input data
stream, bounding the relevant portion of the input
data stream, identifying a predetermined class of
information, and normalizing the relevant portion
of the input data stream;
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4 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
activating a relevant report template based on the
said identified latent information;
populating said template with template-specified
data;
processing the template-specified data to generate
a report.
Id., col. 16, lines 10–29 (emphasis added).
B
In July 2018, MModal filed a petition for an inter
partes review, challenging all six claims of the ’946 patent.
MModal presented two grounds, both relying on Ricky K.
Taira et al., Automatic Structuring of Radiology Free-Text
Reports, 21 RADIOGRAPHICS 237 (Jan.–Feb. 2001). J.A.
1700. The first ground was unpatentability for obviousness
of all claims over Taira, alone or in combination with U.S.
Patent No. 5,267,155 (Buchanan). J.A. 1029. The second
ground was unpatentability for obviousness of claims 1 and
5 over U.S. Patent No. 6,915,254 (Heinze), alone or in com-
bination with Taira. Id.
Taira is the sole reference that is material on appeal.
It describes “a system that automatically structures the
important medical information contained in a radiology
free-text document as a formal information model that can
be interpreted by a computer program.” J.A. 1702. Taira’s
system identifies portions of a radiology report and the re-
lationship among those portions, categorizes the data, and
populates the field in a structured report. See J.A. 1702
(Fig. 2 and associated description). Taira’s “structural an-
alyzer” identifies “various sections of the [hand-written] re-
port” and common formatting layouts. J.A. 1703. The
system dissects the language in each section and formu-
lates relationships between a “head (or topic)” in the report
and words modifying the “head (or topic).” J.A. 1702, 1705–
06. Those relationship levels are then used to construct a
formal, computer-data-file report. See J.A. 1705.
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MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 5
Taira’s final report includes “frames,” each of which
corresponds to a “head (or topic)” and the various “property
subframes” associated with that “head (or topic).” J.A.
1702, 1706. As an example, Taira describes a frame dedi-
cated to “abnormal findings,” which includes property sub-
frame fields for eleven properties, such as “existence,
location, quantity, [and] size,” as well as information about
“relevant context,” such as “time, evidence, certainty, de-
gree, and dimension.” J.A. 1706. Taira’s system populates
the slots in the frames with the input data in accordance
with the relationships identified earlier in the process. J.A.
1706.
The Board instituted the IPR on February 6, 2019. Nu-
ance, in its Patent Owner Response, asserted in part that
MModal’s Petition failed to explain how Taira disclosed “la-
tent information . . . that is required for generation of a
particular report” (the required-information limitation), as
required by claim 1. J.A. 1228–31. In the Petition,
MModal had not proposed a construction of that required-
information limitation, arguing that each claim term
should “be given its plain and ordinary meaning.” J.A.
1022. In its Petitioner’s Reply, MModal answered Nu-
ance’s Patent Owner Response by arguing that it rested on
an “unreasonably narrow construction” of the required-in-
formation claim limitation, and it newly set forth an ex-
press construction for the limitation (and for two other
terms not at issue here). J.A. 1287. Specifically, MModal
argued that “information . . . required for generation of a
particular report” means “information used to generate any
particular report.” J.A. 1287–91. Nuance then filed a Pa-
tent Owner’s Sur-Reply (authorized by the Board), arguing
that MModal’s constructions were procedurally improper
(because new) and substantively incorrect. J.A. 1330–32.
In its Final Written Decision, the Board first addressed
the claim constructions proposed by MModal in its Reply,
while stating that, “regardless of the Reply’s newly pro-
posed claim constructions, the Petition’s challenge . . . fails
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6 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
to adequately address” the required-information limita-
tion. Final Written Decision, 2020 WL 582392, at *3. The
Board concluded, applying the broadest-reasonable-inter-
pretation standard for claim construction, that MModal’s
“newly-made arguments and evidence” did not support
MModal’s argument “that the claim language ‘required for
generation’ means ‘used to generate.’” Id. at *3–4. The
Board reasoned that MModal’s construction “effectively
reads out the claim’s recitation of the information being ‘re-
quired,’ and would result in an unreasonably broad inter-
pretation of the claim language as it would cover any
information used in generating a report, even if that infor-
mation was not required.” Id. at *4. Thus, the Board re-
jected the “used in” construction “newly proposed in the
Reply.” Id.
The Board then turned to the specific obviousness chal-
lenges. Notably, MModal limits its contention in the pre-
sent appeal to arguing the sufficiency of its presentation to
the Board regarding what Taira itself teaches. MModal
makes no argument here that relies on Buchanan or
Heinze. MModal’s appeal depends entirely on whether the
Board erred in its discussion of what MModal presented to
the Board regarding Taira’s teaching of the required-infor-
mation claim limitation.
The Board noted what MModal asserted in the Petition
about Taira. “The Petition asserts that ‘Taira discloses the
use of expert-defined models to target specific information
contained within the radiology free-text document in latent
form (the claimed latent information)’ (Pet. 40 [J.A. 1046]),
as well as structuring that information to generate a par-
ticular report (id. at 40–41 [J.A. 1046–47]).” Final Written
Decision, 2020 WL 582392, at *4. The Board did not ques-
tion those assertions. 1 But those assertions, the Board
1 The Board’s acceptance of those assertions about
Taira seems implicit in what the Board said when
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MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 7
reasoned, do not say that, or explain why, Taira’s latent
information was “required for generation” of a report. “The
Petition, however, does not assert that (much less explain
why) any latent information targeted by expert-defined
data models and used in a particular report by Taira is in-
formation ‘required for generation of’ that particular re-
port, as specified by claim 1.” Id. at *8. 2
For that reason, the Board stated, even aside from the
dispute about claim construction, MModal’s challenge
failed because MModal did not provide “[a] full statement
of the reasons for relief requested, including a detailed ex-
planation of the significance of the evidence including ma-
terial facts,” 37 C.F.R. § 42.22(a)(2), which must include a
statement of “[h]ow the challenged claim is to be construed”
and “[h]ow the construed claim is unpatentable,” id.
recounting MModal’s assertion about the combination of
Taira and Buchanan in the Petition at J.A. 1047–48. The
Board said: “This discussion presents a reason that it al-
legedly would have been obvious to take the latent infor-
mation Taira identifies and include it in a report, given
Buchanan’s teaching of generating reports. It also sug-
gests that a structured report would have been required.”
Final Written Decision, 2020 WL 582392, at *8 (emphases
added).
2 The Board added that the Petition does not ade-
quately explain how this claim limitation is met even by
the combination of Taira and Buchanan. Id. (“[The Peti-
tion], however, does not explain adequately a basis for as-
serting that it would have been obvious to modify Taira to
perform the claimed approach of ‘processing the input data
stream to identify latent information within the data
stream that is required for generation of a particular re-
port,’ which is not alleged to be disclosed by Buchanan. See
[Pet.] at 41–42 [J.A. 1047–48].”). In this court, as already
noted, MModal relies only on Taira for this claim element.
Case: 20-1693 Document: 43 Page: 8 Filed: 02/23/2021
8 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
§ 42.104(b)(3)–(4). See Final Written Decision, 2020 WL
582392, at *9. In any event, the Board concluded, if it con-
sidered MModal’s argument in its Reply that simply “gen-
erating reports with identified latent information” suffices
to meet the claim limitation, MModal still must lose: As
already explained, “the Reply does not persuade us that its
broad interpretation is reasonable.” Id. The Board also
noted that certain characterizations of Taira in the Reply
“would only be persuasive if [the Board] adopted
[MModal’s] unsupported construction of the claim lan-
guage ‘required for generation of’ as meaning ‘used to gen-
erate.’” Id. Finally, the Board addressed MModal’s one
apparent argument that a portion of Taira, i.e., an example
involving “spiculated masses greater than 5 cm in diameter
in the left upper lobe,” J.A. 1701, taught latent information
actually “required for [the] particular report,” not just used
in it, see Final Written Decision, 2020 WL 582392, at *9.
The Board concluded that this assertion “is procedurally
improper new argument” because the Petition does “not
cite this disclosure when addressing the claim limitation”
at issue. Id.
II
MModal presents two primary arguments on appeal:
that the Board incorrectly rejected its proposed construc-
tion for the required-information limitation and that, even
after rejecting MModal’s proposed construction, the Board
erred in concluding that MModal, in its Petition, failed to
adequately explain how Taira meets that limitation. We
reject both arguments.
A
We review the Board’s claim construction de novo
“where, as here, there is no relevant extrinsic evidence.”
Homeland Housewares, LLC v. Whirlpool Corp., 865 F.3d
1372, 1374 (Fed. Cir. 2017). Because this inter partes re-
view “stems from a petition filed before November 13, 2018,
the claims are given the ‘broadest reasonable
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MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 9
interpretation’ consistent with the specification.” Game &
Tech. Co. v. Wargaming Grp. Ltd., 942 F.3d 1343, 1351
(Fed. Cir. 2019); see also Cuozzo Speed Techs., LLC v. Lee,
136 S. Ct. 2131, 2142 (2016).
“Under a broadest reasonable interpretation, words of
the claim must be given their plain meaning, unless such
meaning is inconsistent with the specification and prosecu-
tion history.” Trivascular, Inc. v. Samuels, 812 F.3d 1056,
1062 (Fed. Cir. 2016). Here, MModal’s proposed construc-
tion is contrary to the plain meaning of the words at issue,
especially considered in the context of the claim as a whole.
That meaning is not inconsistent with the specification or
prosecution history.
Claim 1 requires:
processing the input data stream to identify
latent information within the data stream
that is required for generation of a particular
report, wherein said processing of the input data
stream to identify latent information comprises of
[sic] identifying a relevant portion of the input data
stream, bounding the relevant portion of the input
data stream, identifying a predetermined class of
information, and normalizing the relevant portion
of the input data stream.
’946 patent, col. 16, lines 15–23 (emphasis added). Under
the highlighted language, a step in the method is to “iden-
tify latent information within the data stream,” and given
the restrictive “that is required . . .” phrase, that particular
identified information must have the property that it is “re-
quired for generation of a particular report.” To be “re-
quired,” in ordinary usage (including in patent cases), is to
be necessary. Here, the language means that the latent
information is such that if it is not identified, the “particu-
lar report” could not be generated. That plain meaning de-
mands more than that the identified information ends up
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10 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
being used in the report, i.e., more than what MModal’s
proposed construction demands.
This plain meaning fits with other language in the
claim. Within the limitation itself, when different and less
demanding concepts are called for, terms different from the
“information . . . required” language are used: “identifying
a relevant portion of the input data stream,” “bounding the
relevant portion of the input data stream,” and “identifying
a predetermined class of information.” Id., col. 16, lines 19–
23 (emphases added). And the remainder of the claim
states that “the said identified latent information” is used
to “activat[e] a relevant report template,” which is then
“populat[ed]” on the way to “generat[ing] a report.” Id., col.
16, lines 24–29. Because this language provides that the
selection of the template, which precedes the generation of
the report, depends on already knowing what latent infor-
mation is “required for generation of a particular report”
(“the said identified latent information”), it reinforces the
plain-meaning understanding that the “required” infor-
mation is not whatever latent information ends up in the
report. More generally, it is unclear just what the “infor-
mation . . . required” language would add to the rest of the
claim under MModal’s construction.
The specification is not inconsistent with the plain
meaning of the required-information limitation. It refers
to information that “needs to be collected for record-keep-
ing purposes,” id., col. 2, lines 42–45, and “required” infor-
mation, id., col. 9, line 8; see also id., col. 11, lines 6–9. And
nothing in the specification contradicts the plain meaning
of the claim language.
Similarly, the two portions of the prosecution history
that MModal identifies do not warrant deviating from the
plain meaning of the required-information limitation.
MModal first points to Nuance’s statement that the prior
art did not disclose “‘processing an input data stream to
identify latent information for inclusion in a report’ as in
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MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 11
the amended claims,” MModal Opening Br. 35 (quoting
J.A. 2860), but in the paragraph preceding the one MModal
cites, Nuance made a narrower distinction, stating: “No-
where does [the prior art] describe processing an input data
stream to identify latent information . . . that is necessary
for generation of a report,” J.A. 2860 (emphasis added).
MModal also points to a second portion of the prosecution
history: After a rejection over prior art, Nuance, rather
than clarifying the meaning of the required-information
limitation, amended the limitation by incorporating the
“wherein” clause quoted above from the original dependent
claim 6, which the Examiner had indicated was allowable.
MModal Opening Br. 35 (citing J.A. 2871); see also J.A.
2891; J.A. 2873. These aspects of the prosecution history
are not fairly understood to contain a clear statement of
disavowal or a redefinition that undermines the plain
meaning of the required-information limitation. See Im-
munex Corp. v. Sanofi-Aventis U.S. LLC, 977 F.3d 1212,
1220 (Fed. Cir. 2020); Continental Circuits LLC v. Intel
Corp., 915 F.3d 788, 798 (Fed. Cir. 2019).
For those reasons, and having considered MModal’s
other arguments, we reject MModal’s claim-construction
challenge. We affirm the Board’s claim construction of the
required-information limitation as having a plain meaning
that demands more than that identified latent information
is used in a particular report.
B
Having so concluded, we must affirm if we see no re-
versible error in the Board’s conclusion that MModal did
not adequately explain how Taira discloses the required-
information limitation under the Board’s construction. We
see no such error.
MModal argues in this court that, before the Board, it
adequately identified two aspects of Taira as disclosing the
limitation under the Board’s construction. MModal Open-
ing Br. 41–42; MModal Reply Br. 4–10. MModal relies on
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12 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
Taira’s discussion of a “set of property subframes” related
to chosen topics, giving the example of “spiculated masses
greater than 5 cm . . . .” J.A. 1701–02. And MModal relies
on Taira’s discussion of a “head (or topic)” in reports taught
by Taira. J.A. 1702. Neither of these aspects of Taira, we
conclude, supports disturbing the Board’s decision in this
case.
The Board expressly rejected MModal’s reliance on the
“spiculated masses” aspect of Taira because MModal pre-
sented this basis for finding the claim limitation in Taira
too late. Final Written Decision, 2020 WL 582392, at *9.
When arguing that Taira teaches this limitation in its Pe-
tition, MModal did not point to this aspect of Taira. J.A.
1046–48. MModal pointed to it only in its Reply. J.A. 1298.
As for the “head (or topic)” aspect of Taira (or “property sub-
frames” beyond the spiculated-masses example), MModal
did not point the Board to this aspect of Taira even in its
Reply. The Board therefore did not address it at all.
A petitioner generally must provide in the petition an
understandable explanation of the element-by-element
specifics of the unpatentability challenges, including the
particular portions of prior art supporting those chal-
lenges. See 37 C.F.R. §§ 42.22(a)(2), 42.104(b)(3)–(4); Har-
monic Inc. v. Avid Tech., Inc., 815 F.3d 1356, 1363–64 (Fed.
Cir. 2016); Ariosa Diagnostics v. Verinata Health, Inc., 805
F.3d 1359, 1367 (Fed. Cir. 2015). “It is of the utmost im-
portance that petitioners in the IPR proceedings adhere to
the requirement that the initial petition identify ‘with par-
ticularity’ the ‘evidence that supports the grounds for the
challenge to each claim.’” Intel. Bio-Systems, Inc. v. Illu-
mina Cambridge Ltd., 821 F.3d 1359, 1369 (Fed. Cir. 2016)
(quoting 35 U.S.C. § 312(a)(3)). Those proceedings are de-
fined by “statutes, regulations, and practices [that] embody
expedition- and efficiency-based policies.” Ariosa, 805 F.3d
at 1367; see also Intel. Bio-Systems, 821 F.3d at 1369.
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MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 13
It is in light of those principles that judgments must be
made in particular cases to distinguish an impermissible
new argument not sufficiently made in the petition from a
permissible explanation and defense (in responding, e.g., to
a Patent Owner’s Response) of a point already sufficiently
made, in substance, in the petition. See 37 C.F.R.
§ 42.23(b); Apple Inc. v. Andrea Electronics Corp., 949 F.3d
697, 705–06 (Fed. Cir. 2020); Henny Penny Corp. v. Fry-
master LLC, 938 F.3d 1324, 1331 (Fed. Cir. 2019); Intel.
Bio-Systems, 821 F.3d at 1369–70. The determination of
whether the petition has sufficiently made an argument
amounts to a determination of compliance with procedural
requirements, a matter generally reviewed for abuse of dis-
cretion. See Ericsson Inc. v. Intellectual Ventures I LLC,
901 F.3d 1374, 1379 (Fed. Cir. 2018); Intel. Bio-Systems,
821 F.3d at 1367.
Here, we see no basis for concluding that, to avoid an
abuse of discretion, the Board was required to determine
that the Petition adequately presents either of the two as-
pects of Taira on which MModal now relies as disclosing
the required-information limitation. Both of these points
are at least reasonably deemed to be new arguments made
after the Petition was filed.
In the section of the Petition discussing the required-
information claim limitation, J.A. 1046–48, MModal noted
that Taira discusses “important medical information” and
“targeted information,” J.A. 1046–47. But MModal did not
assert that (or explain why) even those aspects of Taira—
or, indeed, any aspects of Taira—disclose identifying “la-
tent information . . . that is required for generation of a
particular report.” Id. MModal did not mention the “sub-
frames”/“spiculated masses” or the “head (or topic)” por-
tions of Taira as the latent information required for
generation of a particular report. Only one sentence of the
section of the Petition that expressly addresses this claim
limitation even refers to “latent information required for
generating a particular report.” J.A. 1048 (emphasis
Case: 20-1693 Document: 43 Page: 14 Filed: 02/23/2021
14 MMODAL LLC v. NUANCE COMMUNICATIONS, INC.
added). And in that sentence, indeed in the paragraph con-
taining it, MModal did not assert that Taira itself taught
the limitation (MModal’s only theory on appeal), but re-
ferred to the combination of Taira and Buchanan, said only
that “both references acknowledged that unstructured dic-
tation or reports could not be submitted to insurance com-
panies or regulatory agencies,” and cited Buchanan but not
Taira (along with its expert’s materially identical asser-
tion, itself citing only Buchanan). J.A. 1047–48.
It appears that, somewhat later in the Petition, in dis-
cussing a different claim element, MModal made a passing
reference to the “topic” as an example of identified latent
information. J.A. 1056. But MModal made no such refer-
ence in the section of the Petition devoted to the required-
information limitation. We do not think that the Board
was obligated on its own to seize on this reference and con-
struct an assertion about the required-information limita-
tion not made where MModal was discussing that
limitation. It is notable that MModal itself did not latch
onto this reference in its Reply, when arguing, in opposi-
tion to the Patent Owner Response, that the Petition does
actually assert that and explain how Taira teaches this
limitation. What the Board must be expected to find with-
out specific guidance does not include everything that it
might find if told what to look for. Here, considering the
context of IPR proceedings, governed by the principles de-
scribed above, we cannot say that the Board erred in find-
ing no sufficient explanation in MModal’s Petition. Cf.
Microsoft Corp. v. Biscotti, Inc., 878 F.3d 1052, 1074–75
(Fed. Cir. 2017) (“Microsoft’s brief on appeal is far more de-
tailed . . . regarding why it believes [the prior art] antici-
pates this limitation of claim 69. But, Microsoft needed to
include those arguments in the petition to institute.”). We
do not have before us the question whether the Board could
permissibly have found otherwise.
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MMODAL LLC v. NUANCE COMMUNICATIONS, INC. 15
III
For the foregoing reasons, we affirm the Board’s deci-
sion.
AFFIRMED