Tag: patent trial and appeal board
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Complex Claim Construction Issues in Knowles Electronics v. Cirrus Logic
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A recent Federal Circuit case demonstrates the complexity of resolving difficult claim construction issues in multiple agency and court proceedings. In Knowles Electronics v. Cirrus Logic the Federal Circuit declined to apply its own prior claim interpretation of the same term of the same claims of the same patent. U.S. Patent No. 6,781,231 (“the ’231 patent”) entitled “Microelectromechanical System…
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Federal Circuit’s Aqua Products Decision Clarifies Burden on IPR Petitioner to Challenge Amended Claims
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in Adjudicative instead of examinatorial, Broadest Reasonable Interpretation standard, claim challenges, estoppel from administrative proceeding, Federal Circuit Review of PTAB Proceedings, Motion to Amend, preponderance of evidence, reexamination generally, Settlements in Post-Grant Proceedings, Termination of Post-Grant ProceedingsOn October 4, 2017, the Federal Circuit issued a lengthy decision in Aqua Products v. Matal, spanning five opinions and 148 pages, which addressed the proper allocation of the burden of proof when amended claims are offered during inter partes review proceedings (“IPRs”). Aqua Prods. v. Matal, 2017 U.S. App. LEXIS 19293. The case concerns U.S. Patent No. 8,273,183, relating to…
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Shire’s Granted Motion to Amend Offers Additional Insight Into PTAB Amendment Practice
When a patent undergoes review at the Patent Trial and Appeal Board (“PTAB”), the Patent Owner has an opportunity to file a motion to amend claims so that a substitute claim can be proposed for each claim sought to be amended. Stakeholders, and even some jurists, have been critical of the PTAB for denying the majority…
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PTAB Narrows Its Preliminary Claim Interpretation To Uphold Cellular Patent
In July, 2014 Ericsson Inc. and Telefonaktiebolaget LM Ericsson (“Ericsson”) petitioned for inter partes review of claims 1, 2, 8-12 and 18-22 of U.S. Patent No. 7,787,431 owned by Intellectual Ventures II LLC (“IV”). In February, 2015, the Board instituted trial on claims 1 and 2 based on obviousness grounds, but denied institution of obviousness…
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Are Patent-Friendly PTAB Decisions On the Rise?
Patent litigation changed with passage of the America Invents Act. Overnight the PTAB became a new venue for challenging patent claims using IPRs, CBMs and PGRs. The initial reaction by the patent bar to the PTAB’s “take charge” approach to instituting review and canceling patent claims was met with approval by businesses under attack by…
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PTAB Dismisses Three IPR Petitions Based on Sovereign Immunity
Covidien LP had a license to U.S. Patent 7,062,251, owned by the University of Florida Research Foundation (UFRF, Patent Owner). UFRF alleged breach of contract by Covidien, and sued Covidien in Florida state court for breach of license. Covidien counterclaimed for a declaratory judgment that it does not infringe the ’251 patent, and removed the…
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Patent Due Diligence and Evaluation After the AIA
Many factors must be considered for due diligence and valuation of a patent portfolio. The patent owner’s desire to have broad claims that capture a large number of infringements must be tempered against its need for claims that will not be deemed invalid in view of prior art. Before the America Invents Act (AIA), patents…
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PTAB Relies on the Federal Circuit’s Recent § 101 Decision to Deny CBM Institution
On May 12, 2016, the Federal Circuit issued a decision on 101 patent eligibility that overturned a summary judgment finding of § 101 invalidity for software used for databases. Enfish, LLC v. Microsoft Corp., No. 2015-1244, 2016 WL 2756266 (Fed. Cir. May 12, 2016). The Enfish v. Microsoft decision interpreted the “abstract idea” first prong of…
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New PTAB Trial Practice Rules Effective May 2, 2016
On April 1, 2016 the PTO published its final rule on Amendments to the Rules of Practice for Trials Before the Patent Trial and Appeal Board. A small correction to these Amendments was published on April 27. I presented a summary of these rule changes at the AIPLA Spring Meeting in Minneapolis, MN on May 18, 2016. The…