PTAB Finds It Can Revisit Grounds On Remand From Federal Circuit
In Microsoft Corp. v. Proxyconn, Inc., the PTAB entered its first decision on remand from the Federal Circuit, which it labeled a final written decision under 35 U.S.C. § 318(a.). IPR2012-00026, IPR2013-00109, Paper 80 (Dec. 9, 2015). The decision sheds some light on how the PTAB may handle issues that remain following remand from the Federal Circuit.
The Federal Circuit's June 19, 2015 decision, among other things, reversed in-part the Board's original final written decision. It found that the PTAB erred in construing two terms of certain challenged claims, and remanded the case to the PTAB "for proceedings consistent with th[e] opinion." Id. at 2-3. On remand, the PTAB found that the challenged claims remained unpatentable under the different claim constructions. Additionally, the PTAB found that a subset of the claims were obvious under the different constructions, whereas its original final written decision found that these claims were anticipated and did not reach obviousness.
The PTAB directed the parties to brief simultaneously "the effect of the Federal Circuit's decision on the Board's Final Written Decision," limiting each party to 15 pages without a reply. Id. at 3. In its brief, Proxyconn argued that the PTAB "ha[d] no other option but to conclude that Microsoft failed to prove that the claims are patentable." Id. at 4. According to Proxyconn, the PTAB was bound because: (1) "Microsoft had a full and fair chance to present its chosen claim construction and arguments for unpatentablility, and lost"; and (2) "the 18-month time period [under 35 U.S.C. § 316(a)(11)] for the Board to make a final determination has expired." Id. at 4-5 (quotations omitted). The PTAB rejected Proxyconn's arguments.
First, the PTAB found that the Federal Circuit would not have "remanded the case to the Board 'for proceedings consistent with this opinion'" if the PTAB was required to enter judgment for Proxyconn. Id. at 5 (citing Microsoft Corp. v. Proxyconn, Inc., 789 F.3d 1292, 1295 (Fed. Cir. 2015)). Noting Ariosa Diagnostics v. Verinata Health, Inc., Nos. 2015-1215, 2015-1226, 2015 WL 7148267, at *8 (Fed. Cir. Nov. 16, 2015), a recent decision where the Federal Circuit recognized the PTAB's...
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