Posts Tagged: written description


Patents Invalidated for Lack of Written Description

Disclosure of one way to attach or position a roof assembly (a species) did not provide an adequate written description of other ways to attach or position …

Patenting Antibodies: Written Description Considerations in Antibody Patents

The Amgen v. Sanofi decision put most functional antibody claims into question, including epitope and competitive binding claims, as well as antibody claims based on a newly …
By Li Feng & Stacy Lewis
2 months ago 2

Written Description Support for Claimed Range Requires More than Broad Disclosure

Appellant General Hospital Corp. (“GHC”) appealed the Board’s dismissal of an interference because the claims of its involved patent application lacked sufficient written description. The disclosure …

PCT Species Claim Sufficient to Support Priority Claim of Later-filed Genus Claim

The issue was whether the PCT, which disclosed a “connection to fibre optics bundle which provides for lighting” was a sufficient written description to support the “light …

USPTO to Clarify Guidance on Written Description of Antibodies

The memorandum points to Amgen for stating that the “newly characterized antigen” test could not stand because it contradicted the quid pro quo of the patent system …

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
5 months ago 4

Amgen v. Sanofi: A well characterized antigen insufficient for written description of an antibody

In what appears to be a clear departure from the past, in Amgen, the Federal Circuit has rejected the test, basing its rejection on the ground that …

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
9 months ago 3

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
9 months ago 0

Patent Drafting 101: Going a Mile Wide and Deep with Variations in a Patent Application

You absolutely want to file a patent application with a description that is a mile wide — that part is good — but you also need to also drill …
By Gene Quinn
10 months ago 2

Federal Circuit Vacates Board’s Lack of Written Description Holdings in Interferences

The Federal Circuit vacated three interference decisions, in which the Board found that Stanford’s claims were unpatentable for lack of written description, and remanded for further …

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
1 year ago 1

Patent Application Drafting: Using the Specification for more than the ordinary plain meaning

As a general rule the ordinary plain meaning of the term as would be understood by someone of skill in the relevant technology area or science will …
By Gene Quinn
1 year ago 0

Mentor Graphics v. Synopsys: Affirmed-in-Part, Reversed-in-Part, Vacated-in-Part, and Remanded

Various Synopsys parties and EVE-USA, Inc. (collectively “Synopsys”) sued Mentor Graphics, seeking a declaration that Mentor’s ’376, ’531, and ’176 patents were invalid and not infringed. Mentor counterclaimed for …

Patent Drafting 101: The Basics of Describing Your Invention in a Patent Application

One big mistake inventors make is they will go on page after page in their draft patent application about how they came up with the idea for …
By Gene Quinn
2 years ago 4

Our website uses cookies to provide you with a better experience. Read our privacy policy for more information.Accept and Close