Obviousness

April 16, 2020
Photograph of white pharmaceutical pills on a blue background.

Prima Facie Obviousness Established From Similar Compounds, Overlapping pH

Fed. Cir. 2018-2097 — The CAFC ruled that Valeant's patent for Relistor(R) is prima facie obvious based on similar compounds with overlapping pH ranges.
November 14, 2019
Photo of the interior of an airplane cabin, showing a row of seats.

Airbus Gets Another Shot at Patent for “Breathable Fire-Preventative” Air

Fed. Cir. 2019-1803 – CAFC sides with Airbus, finding that prior art references may be analogous even if they are outside the "field of endeavour."
September 20, 2019
Macro (close-up) photo of a hazel coloured human eye, eyelashes, and eyelid.

Allergan’s Glaucoma Patents Saved by “Wherein” Clauses

CAFC 2018-2207 – The US Court of Appeals for the Federal Circuit ruled that “wherein” clauses in patent claims can be limiting if they are material to patentability.
September 13, 2019
Fibre optic cable photographed in the dark

Patent Specification Interpreted as Admission of Common General Knowledge

2019 FC 1065 – Canada's Federal Court ruled that two fiber optics patents were obvious in light of an admission made in the background sections.
July 2, 2019
Vials containing pharmaceuticals (drugs)

Oxymorphone Patent Is Not Obvious, Federal Circuit Confirms

CAFC confirms that an invention is only obvious and ineligible for a patent where a skilled person would have had a “reasonable expectation of success.”
June 11, 2019
avx

CAFC Refuses to Hear Appeal from Patent Decision

AVX Corporation v Presidio Components (Fed. Cir., 2018-1106) A case recently dismissed by the United States Court of Appeals for the Federal Circuit (“CAFC”) confirms that […]
June 4, 2019
Pharmaceutical research

When Can New Uses for Known Drugs Be Patented?

Fed. Cir., 2018-1434 - CAFC clarifies the test for obviousness where the invention claims a use of a known drug.
November 23, 2018

PAB Rejects Application: Ambiguous and Indefinite Claims are Unpatentable

PAB 1453 – The Patent Appeal Board found that Canadian Patent Application No. 2,612,950 for a “system and method for generating real-time indicators in a trading list or portfolio” was obvious, the claims did not define statutory subject matter and were indefinite.
November 7, 2018

US Court of Appeals for the Federal Circuit Confirms Test for Obviousness

Fed. Cir. 2017-1977 – The United States Court of Appeals for the Federal Circuit confirms the legal standard for obviousness in patent law.
July 10, 2018

Federal Court of Appeal Provides Further Guidance on Obviousness

2017 FCA 225 - Federal Court of Appeal upheld the trial level decision invalidating Ciba's Canadian patent for obviousness, and elaborated on the obviousness inquiry, endorsing an approach that focuses on construing the claims rather than identifying the inventive concept.