You had me (but apparently not the Federal Circuit) at “propshaft” – Federal Circuit invalidates patent directed to driveshaft technology

In American Axle Manufacturing Inc. v. Neapco Holdings LLC, case number 18-1763, AAM v Neapco the US Court of Appeals for the Federal Circuit affirmed a grant of summary judgement from the District of Delaware finding American Axle Manufacturing’s (AAM’s) method ineligible for patent protection under 35 USC §101. AAM sued Neapco for patent infringement […]

Federal Circuit tells PTAB to stay in their lane on certificate of correction issue

Honeywell International Inc. (“Honeywell”) owns US Patent No. 9,157,017 (the ‘017 patent) directed to fluoroalkene compounds used in refrigeration systems.  The ‘017 patent recites a chain of priority dating back to 2002.  During prosecution of the ‘017 patent, Honeywell filed a preliminary amendment in which all 20 original claims were replaced with 20 claims directed […]

PTO Releases New Subject Matter Eligibility Guidance

The release Update with Appendix Oct 2019 includes guidance on determining whether a claim recites one or more abstract idea(s) and if so, if the abstract idea(s) is/are limited to practical applications of the idea, additional examples in the life sciences and data processing categories and a table of cases from the Supreme Court and […]

Prosecution history estoppel does not apply if arguments were “made in a different context”

In MTD Products, Inc. v. Andrei Iancu (MTD), MTD appealed to the Federal Circuit from an IPR decision holding all claims unpatentable of US 8,011,458.  The claims at issue concerned a zero-turn radius vehicle, typically a mower.  The claim term “mechanical control assembly” was at issue and in particular, whether or not the claim term […]

Tug Toy Survives §101 Challenge on Motion to Dismiss

FYF-JB, LLC sued Pet Factory for allegedly infringing its tug-toy patent.  Pet Factory responded with a motion to dismiss, arguing that the asserted claims are not patent eligible, and further, noncompliant with 35 USC §112.  FYF-JB v Pet Factory In particular, FYF-JB’s tug-toy patent (US 9,681,643) describes that a need existed in the art for […]

Wherein clauses are limiting on their face, more so if the specification and prosecution history support that they are material to patentability

USPTO requests comments on patenting AI inventions

In 84 FR 44889, the USPTO has requested comments on issues related to patenting inventions related to artificial intelligence.  Although the PTO states that any comments believed to be relevant are welcome, the Notice poses 12 questions in which the PTO is particular interested in answers.  Comments must be received on or before October 11, […]

Multiple components from the prior art cannot be pieced together to provide the structure and function of one claim recitation

I see this a fair amount, and actually just prepared a response last week where the Examiner had so construed a reference, and so this decision caught my eye. In Ex parte de Ceuster, the Examiner had combined two components of the prior art, a masking layer 2 and insulating layer 20, in order to […]

The broadest reasonable interpretation cannot in fact, be unreasonable.

Or, “Here, the something is a potato” In Ex Parte Barber, the Board reversed the Examiner on all grounds, and on one in particular, held that the Examiner’s broadest reasonable interpretation of the claim recitation “potato slice”, was unreasonable.  Specifically, the Examiner had construed a teaching of a dough that included potato flour, that was […]

Claims directed to method of detecting a mutation in dog DNA held patent ineligible under §101

On August 9, 2019, the US Court of Appeals for the Federal Circuit so held.  The patent covered ways to genotype Labrador Retrievers for the presence of a mutation in the SUV39H2 gene associated with Hereditary Nasal Parakeratosis (HNPK).  The invalidated claims were directed to methods of genotyping and required only obtaining a biological sample, […]