Posts Tagged: KSR international v. Teleflex


PTAB Holds Packet Filtering Claims Unpatentable in Cisco/Centripetal Networks IPR

On January 23, the Patent Trial and Appeal Board (PTAB) issued a final written decision holding all claims (1-20) of U.S. Patent No. 9,160,713 B2 (the ‘713 patent) unpatentable. …
By Nancy Braman
4 months ago 2

TQ Delta Reminds Me: May We Dispense with the Puzzle Simile?

In KSR Int'l Co. v. Teleflex Inc., 550 U.S. 398 (2007), the United States Supreme Court discussed legal principles of obviousness in the patent context. Justice Anthony Kennedy wrote …
By Daniel Hanson
5 months ago 15

Petition for En Banc Review Asks Federal Circuit for Clarity on Single Reference Obviousness

The focus of the appeal is the need for clarity with respect to hopelessly irreconcilable caselaw on the issue of single reference obviousness... Decisions from the Federal …
By Gene Quinn & Steve Brachmann
2 years ago 6

US Inventor Files Amicus Brief With CAFC in Support of En Banc Rehearing on Single-Reference Obviousness Issue

On August 1st, the non-profit inventor advocacy group US Inventor filed an amicus brief with the Court of Appeals for the Federal Circuit asking the court to …
By Steve Brachmann
2 years ago 0

The PTAB Continues to Break Patent Promises to the Detriment of Inventors

Surviving inventors are incredibly rare. I have met dozens of inventors with incredible discoveries whose naïve belief in the patent system have cost them way more …

Patent Marking Burden of Production on Alleged Infringer, Burden of Persuasion on Patentee

In Arctic Cat Inc. v. Bombardier Rec. Prods., after unsuccessfully defending a patent infringement lawsuit, Bombardier Recreational Products, Inc. (“BRP”) appealed the district court’s denial of …

Crossing the Chasm: Avoiding and Surviving the PTAB

In 2012, the American Invents Act established three new administrative procedures: post grant review (PGR), inter-partes review (IPR), and covered business method patent (CBM) review. In each of …