PTABWatch, provided by Marshall, Gerstein & Borun LLP, analyzes and reports recent developments concerning Post-Grant Proceedings at the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO), including Inter Partes Review (IPR), Post Grant Review (PGR), and Covered Business Method (CBM) proceedings.
Recent Blog Posts
- So Long, and Thanks for All the Fish In a recent precedential decision, the Federal Circuit affirmed a Patent Trial and Appeal Board decision, upholding an examiner’s final rejection of claims to a fishing method as unpatentable under 35 U.S.C. § 101. In re Rudy, Case 2019-2301, Slip Op. (Fed. Cir. Apr. 24, 2020). Appeals to both the Board and the Federal Circuit were cast by a pro se applicant, who is also a patent attorney. The application, originally filed in 1989, includes a prosecution history that is... More
- PTAB Properly Applied the Printed Matter Doctrine In Praxair Distrib. v. Mallinckrodt Hosp. Pdts., (Fed. Circ. May 16, 2018), the Federal Circuit affirmed the PTAB’s application of the printed matter doctrine in an IPR, and determined that all challenged claims were obvious. Mallinckrodt’s patent is directed to methods of treating newborns having low blood oxygenation with nitric oxide (NO) gas, “to dilate blood vessels in the lungs and … thereby improve blood oxygenation.” Generally, the claims recite methods of providing medical providers with NO gas, and information relating... More
- Claim Term Read Out by PTAB Constituted “Harmless Error” In a recent non-precedential decision, Snap-on Inc. v. Milwaukee Elec. Tool Corp., No. 2017-1305, 2018 WL 935454 (Fed. Cir. Feb. 16, 2018), the Federal Circuit affirmed the PTAB’s final written decisions in several IPRs that upheld challenged claims of Milwaukee Tool patents as nonobvious, although the court determined that the PTAB erred in construing a disputed claim term. The IPRs addressed claim construction of a so-called “20-Amp Limitation” relating to the characteristics of lithium-ion battery cells arrayed within a battery pack... More