Patent Validity Patents

News & Analysis as of

Decision to Institute IPR Need Not Be Binary - Synopsys, Inc. v. Mentor Graphics Corp.

Addressing whether the Patent Trial and Appeal Board (PTAB or Board) may institute inter partes review (IPR) with respect to some but not all of the claims challenged in a petition, the US Court of Appeals for the Federal...more

Reversal of Narrow Claim Construction Results in Satisfaction of Claim Element (Avid Technologies, Inc. v. Harmonic, Inc.)

Addressing the standard to establish a “clear and unmistakable” disclaimer of claim scope during prosecution, the U.S. Court of Appeals for the Federal Circuit reversed the district court’s narrow claim construction and...more

Retrial Is Granted In HVAC Patent Dispute

Robinson, J. Plaintiff’s motion for permanent injunction is moot. Defendants’ post-trial motions are granted in part and denied in part. The disputed technology relates to self-configuring controls for HVAC systems. The...more

Top Stories of 2015: #6 to #10

After reflecting upon the events of the past twelve months, Patent Docs presents its ninth annual list of top patent stories. For 2015, we identified twenty stories that were covered on Patent Docs last year that we believe...more

Knobbe Martens Client STAR Envirotech Wins Affirmance of IPR Decision Finding Patent Valid

On December 31, 2015, the U.S. Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board’s decision that a STAR Envirotech patent relating to its evaporative emission testing tools is valid and not...more

Stratasys Extrudes Past IPR Petitions; Set to Build 3D Printer Case Against Afinia

Stratasys asserted four of its 3D printing patents against Afinia in the U.S. District Court of Minnesota. Afinia responded by petitioning for inter partes review (IPR) of the asserted patents. Yet, Stratasys escaped...more

Analysis Group Client ImmunoGen Patent Upheld In Rare Victory at the PTAB

The Patent Trial and Appeal Board (PTAB) recently ruled in favor of ImmunoGen, Inc., denying Phigenix, Inc.’s petition that the claims of an ImmunoGen patent covering its breast cancer treatment, Kadcyla, were unpatentable....more

Eight Days Late, and an Exercise of Discretion Short — PTAB Refuses to Conform to an IPR Settlement

35 U.S.C. § 317(a) states that “an inter partes review … shall be terminated with respect to any petitioner upon the joint request of the petitioner and the patent owner, unless the Office has decided the merits of the...more

PTAB Panel Allows Joinder of Multiple IPR Proceedings Filed by Same Petitioner, Sharpens Disparity Between Panels Interpreting 35...

An expanded panel of the USPTO Patent Trial and Appeal Board (“PTAB” or “Board”) recently exercised its discretion under 35 U.S.C. § 315(c) to grant a motion to join an inter partes review proceeding with an already-initiated...more

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