Patent Infringement

March 26, 2021
Photograph of an oil and gas pump.

Federal Court Applies Its Own Claim Construction to Infringement Case

2021 FC 85: The Federal Court upheld the validity of all claims, but found that PetroChina was not infringing Maoz Betser-Zilevitch's patent for an SAGD.
February 1, 2021
Business person sitting a board room table in front of sunny window

Federal Court of Appeal Restricts Admissibility of Foreign Prosecution History

2021 FCA 7: The FCA narrowly interpreted section 53.1 of the Patent Act, refusing to look at a corresponding US application that was not named by number.
October 27, 2020
Photograph of a money jar spilling coins against white background.

FCA Upholds Largest Patent Infringement Award in Canadian History

2020 FCA 141: Court warns judges not to be "spooked" by the enormous sums that may be calculated in an accounting of profits for patent infringement.
September 10, 2020
Photo of a pair of shoes dangling off the edge of a building while lights shine on a bridge in the distance at night.

Identical Preambles: Limiting in One Patent, Not Another

Fed. Cir. 2019-1622: The CAFC found the same preamble created different limitations for different patents, limiting one patent but not the other.
August 10, 2020
Macro photograph of a computer keyboard with black keys.

Infringer Uses Marking Requirement to Escape Pre-Suit Damages

Fed. Cir. 2019-2041 - The CAFC held that Packet Intelligence was precluded from claiming $3.5M in pre-suit damages because the marking requirement was not met.
June 18, 2020
Photograph of a red hockey net on the ice of an outdoor skating rink.

Federal Court Clarifies the Admissibility of Patent Prosecution History

In a patent infringement case between two major ice skate manufacturers, the Federal Court clarified s. 53.1 and the admissibility of prosecution history.
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.
March 9, 2020
Photograph of an IV drip delivering a pharmaceutical to a patient in a hospital.

Contested Remicade Patent Will Head Back to Court in June

2020 FCA 30; 2020 FCA 31 – Janssen and Celltrion will return to court in June after the FCA overturned a lower court decision regarding a Remicade patent.
December 19, 2019

Fuel Tank Patents Limited by Patentee’s “Special Definition”

Fed. Cir. 2018-2087 - Plastic Omnium was unsuccessful in proving patent infringement because the patents used a "special definition" of the word "parison".
November 7, 2019
Pair of black and white Nike running shoes

Just Sue It: Nike Takes Skechers to Court For Copying Design Patents

Nike, Inc. v. Skechers U.S.A., Inc. – Nike claims that Skechers employs a “copying strategy” to sell “Skecherized versions” of Nike sneakers.