Posts Tagged: claims


Denying Inducement to Infringe in Face of a Drug Label: A Fool’s Errand?

Proving inducement to infringe requires showing that the accused infringer possessed “specific intent” to infringe. In pharmaceutical cases, particularly those arising in the Hatch-Waxman framework, specific intent …

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
1 month ago 2

The CAFC Split Non-precedential Decision in Exergen v. Kaz Raises Interesting Issues About Eligibility Determinations

In Exergen Corporation v. Kaz USA, No. 16-2315 (March 8, 2018), the Federal Circuit, in a split non-precedential opinion, affirmed a holding that Exergen’s claims directed to methods …
By Michael Cottler & David Zimmer
3 months ago 2

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 …

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
5 months ago 1

Beware of Conditional Limitations when Drafting Patent Claims

Buried in the claim language, conditional limitations may be a vulnerability in an otherwise valuable claim. A conditional limitation is a claim feature that depends on a …
By Vladimir Lozan
10 months ago 24

Requisites of a Patent Application: Claims and drawings technically not required on filing date

For as long as I can remember, in order for a nonprovisional utility patent application to be awarded the all important filing date you had to file …
By Gene Quinn
1 year ago 10

An Examiner’s Tips For Speedier Patent Prosecution

Interactions between patent examiners and patent practitioners are often tense. At worst, these interactions can be an exercise in restraint with both parties thinly veiling their disdain …

An Introduction to Patent Claims

The examination you receive from the patent examiner is never going to be any better than the patent claims you provide. If you provide preposterously broad patent …
By Gene Quinn
2 years ago 3

Pursuit of Extremely Short Patent Claims

Dear Patent Attorney, Please stop filing extremely short, overly broad patent claims. I recently conducted a study to measure the effectiveness of various prosecution strategies. The study …
By Eric Sutton
2 years ago 29

Patent Drafting: The Use of Relative Terminology Can Be Dangerous

The use of relative terminology, which are short-hand terms that express a certain similarity, are quite common in every day conversation, but are not always appropriate for …
By Gene Quinn
2 years ago 5

Cuozzo and Broadest Reasonable Interpretation – Should the Ability to Amend Be Relevant?

On July 8, in In re Cuozzo, the CAFC denied en banc review of a prior panel decision that confirms the PTAB can use a different standard for …

Was the Federal Circuit Trying to Save Us from Ourselves in Williamson v. Citrix?

In Williamson v. Citrix, the Federal Circuit overruled its own precedent that there is a “strong” presumption that claim limitations that do not use the term “means” …
By Bryan Wheelock
3 years ago 6

Plaintiff Waives Infringement Under Proper Claim Construction

The Federal Circuit issued a decision in CardSoft v. Verifone, which the Court overturned the district court’s claim construction. Overturning a district court’s claim construction …
By Gene Quinn
4 years ago 7

Patent Drafting: Employing Claim Differentiation to Ensure Broad Construction

To bring this principle to bear on the problem of claim breadth, consider a patent disclosing only a single embodiment, with a main claim whose scope extends …
By Joseph Root
4 years ago 1