News & Analysis as of

Patent Validity Patent Trial and Appeal Board

PTAB Invalidates Two Cisco Patents Found Valid and Infringed at the ITC

The Patent Trial and Appeal Board (“PTAB”) issued Final Written Decisions regarding Cisco’s U.S. Patent Nos. 6,377,577 (the “’577 Patent”) and 7,023,853 (the “’853 Patent”) on May 25, 2017 and U.S. Patent No. 7,224,668 (the...more

Estoppel in CBMR is Both Reviewable and Determined on a Claim by Claim Basis

In Credit Acceptance Corp. v. Westlake Services, [2016-2001](June 9, 2017), the Federal Circuit affirmed the PTAB decision that Westlake was not estopped to bring a Covered Business Method Review challenge to U.S. Patent No....more

Supreme Court to Hear Another IPR Case — SAS Institute v. Lee

The Supreme Court has granted certiorari in another Inter Partes Review dispute, this time in SAS Institute v. Lee. The Court will decide whether the Patent Trial and Appeal Board may properly institute partial review (i.e.,...more

How Far Is Too Far? Institution Decision to Final Written Decision

by Brinks Gilson & Lione on

In making a final written decision of AIA proceedings, the Patent Trial and Appeal Board (“the Board”) is not bound by findings made in an institution decision. In three recent decisions, the Federal Circuit considered the...more

Potential Impact of the Supreme Court’s Decision to Review the PTAB’s Practice of Issuing Partial Final Written Decisions in...

In a case with potential wide-ranging ramifications for patent validity challenges, on May 22, 2017, the Supreme Court granted a writ of certiorari in an appeal from an inter partes review (“IPR”) decision, SAS Institute v....more

Supreme Court Will Decide Whether the PTAB Must Address All Claims Challenged in a Petition

by Knobbe Martens on

The Supreme Court granted a petition for writ of certiorari to address whether the PTAB is required to issue a final written decision with respect to the patentability of every claim challenged by a petitioner in SAS...more

Merely Because Petitioner Changes its Mind is not Enough to Stop Inter Partes Reexamination

In In Re: AT&T Intellectual Property II, L.P., [2016-1830] (May 10. 2017), the Federal Circuit affirmed the PTAB determination in Inter Partes Reexamination, that the claims of U.S. Patent No. 7,454,071, directed to methods...more

Why Design Patents Are Surviving Post-Grant Challenges

As of January 2017, the institution rate for Patent Trial and Appeal Board trials involving design patents was 37 percent. That is significantly lower than every other technology area and makes design patents the only...more

PTAB: No Estoppel Because A Skilled Searcher Could Not Have Found Company Brochures

by Knobbe Martens on

In a Final Written Decision in Johns Manville Corp. v. Knauf Insulation, Inc., IPR2016-00130, Paper 35 (P.T.A.B. May 8, 2017), the PTAB found that petitioner Johns Manville (JM) was not estopped from raising its own company...more

PTAB Provides Another Estoppel Datapoint — No Estoppel for Petitioner Using Its Own Documents

In Inter Partes Review (IPR) proceedings, the estoppel provision of 35 U.S.C. § 315(e)(1) prevents the petitioner from challenging the validity of a patent in an IPR on any “ground that the petitioner raised or reasonably...more

Federal Circuit Reverses-in-Part PTAB’s IPR Decisions for Wasica’s Tire Pressure Monitoring Patents

by Knobbe Martens on

The Federal Circuit affirmed-in-part and reversed-in-part the PTAB’s final written decisions on Wasica’s tire pressure monitoring patents in Wasica Finance GmbH v. Continental Automotive Sys., Inc., No. 2015-2078 (Fed. Cir....more

PTAB Not Bound By Prior Court Decisions Upholding Exelon Patents

by Foley & Lardner LLP on

In Novartis v. Noven Pharmaceuticals, Inc., the Federal Circuit affirmed the USPTO Patent Trial and Appeal Board (PTAB) decisions invalidating certain claims of two Orange Book-listed Exelon patents. This decision has...more

PTAB Avoids Triggering Estoppel by Issuing Concurrent Final Written Decisions

by Knobbe Martens on

The Patent Trial and Appeal Board issued concurrent final written decisions upholding the validity of all challenged claims of U.S. Patent No. 8,141,154 in Palo Alto Networks, Inc. v. Finjan. Inc. IPR2015-01979, Paper 62...more

Post-Grant Review Estoppel – Looking Forward by Looking Back at Estoppel in Inter-Partes and Covered-Business-Method Review

In 2011, the Leahy-Smith America Invents Act (“AIA”) established new post-issuance procedures for challenging the validity of a granted patent before the Patent Trials and Appeal Board (“PTAB” or “Board”). Inter partes...more

Preliminary Injunction Maintained Despite Adverse Decision in Parallel Post-Grant Review

by McDermott Will & Emery on

Addressing the merits of an injunction in a case where the district court and the Patent Trial and Appeal Board (PTAB) disagreed as to the validity of a patent in parallel proceedings, the US Court of Appeals for the Federal...more

PTAB Rejects Flawed Inherency Argument Against Drug Composition Patent

by Jones Day on

On February 3, 2017, the PTAB denied a petition by Amneal Pharmaceuticals LLC (“Amneal”) to institute an inter partes review of Hospira Inc.’s patent directed to pharmaceutical compositions of the sedative dexmedetomidine...more

Can You Be Reasonably Certain a Water Balloon Is Substantially Filled? Indefiniteness in Tinnus v. Telebrands

In Tinnus Enterprises, LLV v. Telebrands Enterprises (Fed. Cir. 2016-1410), the CAFC considered whether a claim requiring that a container (think water balloon) be “substantially filled” was indefinite under 35 USC §112....more

PTAB Grants Rare IPR Request for Rehearing in WesternGeco LLC v. PGS Geophysical AS

by Knobbe Martens on

The PTAB recently granted a request for rehearing and modified the final written decision in WesternGeco LLC v. PGS Geophysical AS, IPR2015-00313, Paper 43 (P.T.A.B., Feb. 3, 2017). This is an extremely rare event....more

No Stay Pending IPR in Brewing Patent Dispute

District court patent defendants often request a parallel inter partes review (“IPR”) proceeding at the U.S. Patent Office to challenge the validity of the patent at issue. As such IPR proceedings have the potential to kill...more

Federal Circuit Reverses PTAB Patent Invalidation Based on Lack of APA Due Process

by Morgan Lewis on

Inter partes review (IPR) petitioners must ensure adequate notice of arguments against validity; patent owners must preserve rights to defend against all arguments raised by petitioners—even when they arise late in the...more

Federal Circuit Rejects Patentee’s Effort to Narrow Claim Scope

One wrinkle of IPR practice is that patentees are often in the position of advocating a narrower claim scope than the challenger — just the opposite of what is usually seen in district court litigation. The narrowing...more

Medtronic v. Robert Bosch – Has the Federal Circuit closed the door on reviewing IPR institution decisions?

by Knobbe Martens on

On October 20, 2016, the Federal Circuit issued yet another opinion finding that the Patent Trial and Appeal Board’s decisions related to the institution of an inter partes review (IPR) are not subject to judicial review. ...more

PTAB Rejects Consideration of New Issues on Remand

by McDermott Will & Emery on

Addressing the scope of a remand from the US Court of Appeals for the Federal Circuit, the Patent Trial and Appeal Board (PTAB or Board) declined to consider evidence and arguments presented for the first time on remand....more

PTO Must Apply Phillips Standard when Construing Expired Patents **WEB ONLY**

by McDermott Will & Emery on

In an opinion addressing the standard for claim construction of a patent that expires during reexamination, the US Court of Appeals for the Federal Circuit upheld the Patent Trial and Appeal Board’s (PTAB’s or Board’s)...more

CAFC’s Husky Decision Makes Sledding Tougher for Patent Owners in PTAB Appeals

The Federal Circuit recently determined that it lacked jurisdiction to review the Patent Trial and Appeal Board’s determination that assignor estoppel has no affect in an inter partes review (“IPR”). The majority’s decision...more

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