Posts Tagged: patent claims


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
5 days ago 2

USPTO Issues Guidance on Effects of Supreme Court’s Decision in SAS Institute on PTAB Trials

On Thursday, April 26th, the U.S. Patent and Trademark Office issued new guidance regarding the effects of the U.S. Supreme Court’s judgment in SAS …
By Steve Brachmann
27 days ago 0

The CAFC Split Non-precedential Decision in Exergen v. Kaz Raises Interesting Issues About Eligibility Determinations

In Exergen Corporation v. Kaz USA, No. 16-2315 (March 8, 2018), the Federal Circuit, in a split non-precedential opinion, affirmed a holding that Exergen’s claims directed to methods …

Reasonable Expectation of Success to the Rescue

In the last several months, lack of a reasonable expectation of success was a major factor in the reversal of two obviousness rulings by the Federal Circuit. …

Patenting Antibodies: Obviousness Considerations

This article analyzes obviousness issues related to antibody patents at the Patent Trials and Appeal Board (PTAB) and in federal courts. We review several cases categorized by …

Federal Circuit vacates PTAB decision for failure to explain reason claims were invalid

Unlike the Board’s anticipation determinations, which contravened the only permissible findings that could be drawn from the prior art under the proper constructions of the relevant …

Distribution Agreement Considered a Commercial Offer and On-Sale Bar

The Federal Circuit reiterated that the on-sale bar does not exempt commercial agreements between a patentee and its supplier or distributor. It is the commercial character of …

In Travel Sentry v. Tropp, CAFC recognizes broad scope of attribution under doctrine of divided infringement

The central issue before the Federal Circuit was whether there was a genuine issue of material fact that TSA’s performance of those steps could be attributed …

Analyzing obviousness and anticipation challenges to claims directed to an isolated component of a prior art mixture

Based on the governing Federal Circuit case law, where the patent claim at issue is directed to a specific component (such as a specific enantiomer) of a …
By Theodore Chiacchio
4 months ago 1

Combinations do Not Anticipate if Artisan Would Not Immediately Envision Claimed Combination

The Federal Circuit heard the case of Microsoft Corp. v. Biscotti, Inc. After Biscotti, Inc. (“Biscotti”) sued Microsoft Corp. (“Microsoft”) for patent infringement, Microsoft filed three unsuccessful …

Changes in Patent Language to Ensure Eligibility Under Alice

When a rule becomes a target, it ceases to be a good rule.  In the three years since the Supreme Court issued its opinion in Alice, there …
By Peter Glaser & William Gvoth
6 months ago 28

Strengthening Patent Value Throughout the Patent Prosecution Flow

Patents allow you to protect your inventions, license the use of the inventions of others, and introduce additional revenue streams to your business. Patents also require investments …
By Mike McLean
6 months ago 0

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
6 months ago 2

Open Prosecution as a Strategy to Counter IPRs Filed by Defendants

One of the most valuable benefits of Open Prosecution is when a patentee is forced to enforce a patent. If the patentee filed for a Continuation, it …
By Alec Schibanoff
7 months ago 10

Patentee Fails to Prove Equivalents did not Ensnare the Prior Art

Crafting a proper hypothetical claim is a prerequisite to whether a theory of infringement under the doctrine of equivalents would also ensnare the prior art. The burden …