Last week the summer was winding down and the Federal Circuit was gearing up for its September argument session. But the Court still found time to hand down a number of decisions—17 in total. Below we provide our usual weekly...more
One of the most notable recent changes in post-grant proceedings was replacing the broadest reasonable interpretation (“BRI”) claim construction standard with the Phillips standard used to construe claims in federal court....more
Powerful. Resilient. Ever-evolving. These characteristics of the Patent Trial and Appeal Board (PTAB) were on full display in 2019. This past year the PTAB received more than 1,300 inter partes review (IPR), post grant review...more
Semiconductor Components, doing business as ON Semiconductor, petitioned for inter partes review (IPR) of several claims of Power Integration’s U.S. Patent No. 6,212,079. The Patent Trial and Appeal Board (PTAB) instituted...more
A preliminary decision in the District Court of Delaware introduces the possibility that a patentee’s victory on assignor estoppel in the district court could quash a co-pending IPR proceeding at the PTAB. Assignor estoppel...more
A recent trend at the PTAB has shown timing is everything, and bad timing is held against Petitioner when considering discretionary denial....more
Since the passage of the Leahy-Smith America Invents Act (AIA), post-grant proceedings at the U.S. Patent and Trademark Office (USPTO) are interacting more with Section 337 investigations at the International Trade Commission...more
The recent decisions of the USPTO Patent Trial and Appeal Board (PTAB) granting Celgene’s requests for rehearing in parallel Inter Partes Review proceedings brought by Kyle Bass’s Coalition for Affordable Drugs (CFAD) are...more
On September 9, 2017, an Eastern District of Texas magistrate judge issued a report and recommendation holding that a plaintiff was estopped from asserting its patent infringement claims because statements made in response to...more
In a decision denying a second petition for inter partes review (IPR), the Patent Trial and Appeal Board (PTAB) elucidated the factors weighing against granting the petitioner’s request. The decision underscores the PTAB’s...more
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
A magistrate judge in the Eastern District of Texas recommended in Biscotti, Inc. v. Microsoft Corp., No. 2:13-CV-01015, DI 191 (E.D. Tex. May 11, 2017) that Microsoft should be estopped from asserting invalidity grounds that...more