Posts Tagged: 35 USC 112

Federal Circuit Hears Oral Arguments in Case Involving Question of Joint Inventorship Under Section 102(f)

In a prior abandoned patent application, VerHoef listed himself as joint inventor of the dog mobility device with Dr. Lamb, the veterinarian making the suggestion; this joint …
By Steve Brachmann
5 days ago 5

Idenix Loses Patent on HCV Treatment that Supported $2.54 Billion Infringement Verdict

In invalidating the Idenix patent, the Delaware district court effectively overturns what had been the largest award for royalty damages in a U.S. patent infringement case …
By Steve Brachmann
21 days ago 4

Google Suffers IPR Defeat on Patent Asserted Against YouTube by Network-1

On Tuesday, January 23rd, the Court of Appeals for the Federal Circuit issued a ruling in Google LLC v. Network-1 Technologies, Inc. which affirmed a finding by …
By Steve Brachmann
2 months ago 0

CAFC says PTO Reexamination Should Not Preclude Validity Challenges at District Court

Along with the willfulness finding, the Federal Circuit also overturned findings of no invalidity on a patent that had already survived multiple reexaminations at the U.S. …
By Steve Brachmann
2 months ago 10

58 Patents Upheld in District Court Invalidated by PTAB on Same Grounds

When going through the list of patents that have been deemed valid in district court and then invalidated through PTAB proceedings, there are 58 cases where the patent …
By Steve Brachmann & Gene Quinn
2 months ago 11

PTAB Errors Fatal to Hundreds of Legitimate Patents

There have been 220 patents upheld as valid in real courts and also subject to a final written decision in the PTAB. The PTAB only agreed with the …
By Josh Malone & Steve Brachmann
2 months ago 40

A Primer on Indefiniteness and Means Plus Function

Means plus function claiming allows the drafter to claim the invention based on functionality rather than the more traditional (and preferred) claiming technique that employs structure within …
By Gene Quinn
4 months ago 2

Patent Drafting: Proving You’re in Possession of the Invention

The purpose of the written description requirement is broader than to merely explain how to make and use the invention, which is the subject of the enablement …
By Gene Quinn
4 months ago 3

Federal Circuit Clarifies Standard for Indefiniteness of Mixed Subject Matter Claims

Because it is clear when infringement occurs, and the scope of the claims is reasonably certain, the Court reversed the judgment of invalidity due to indefiniteness... Claims …

Patent Drafting Webinar: Trends and Realities of 112 Disclosure Requirements

Join Gene Quinn on Thursday, November 9 at 2:00 PM ET for a free webinar conversation on the trends and reality of 112 disclosure requirements. Gene will be joined by …
By Gene Quinn
5 months ago 0

Patent Drafting: Understanding the Enablement Requirement

The enablement requirement is specifically aimed at ensuring the claimed invention is described with sufficient detail so the relevant person of skill in the art or technology …
By Gene Quinn
5 months ago 13

Generic Examples of Claimed Compounds Do Not Satisfy Enablement Requirement

On June 21, 2017, In Storer v. Clark, the Federal Circuit affirmed a Patent Trial and Appeal Board’s interference decision, which awarded priority to Clark’s pending application (…

Patentability: The Adequate Description Requirement of 35 U.S.C. 112

The crux of this so-called adequate description requirement is that once the first four patentability requirements are satisfied the applicant still must describe the invention with enough …
By Gene Quinn
9 months ago 1

Use of ‘Means’ with term that Designates Structure Does Not Invoke § 112 ¶ 6

MindGeek and Playboy filed an IPR petition. The Board determined that § 112 ¶ 6 did not apply because “‘wireless device means’ is not purely functional language, but rather is language …