Patent Infringement
Case summaries and articles about patent infringement.
November 16, 2023
Fed. Cir. No. 2021-2299, 2021-2338: This is the second time the Court of Appeals for the Federal Circuit has reversed a finding of infringement and sent the design patent back to lower courts.
May 2, 2023
Fed. Cir. No. 2021-2320, 2021-2376: Typically patent drafters omit phrases like “at least one” from patent claims to improve readability, but a recent court decision may reverse the trend.
January 20, 2023
CAFC No. 22-1595: In this precedential decision on induced infringement, the Federal Circuit clarified that “past conduct is relevant to what will happen in the future”.
November 29, 2022
2022 SCC 43: The Supreme Court of Canada handed down a decision that awards Dow Chemical $644 million—the largest monetary offering in a Canadian patent lawsuit.
June 30, 2022
2022 FCA 118: The appeal court saw no reason to interfere with a trial court decision that favoured MEG Energy in its ongoing patent dispute with inventor Jason Swist.
February 3, 2022
Canada's Federal Court dismissed allegations by Paid Search Engine that Google infringed a patent for optimizing paid search engines.
January 27, 2022
The prior use defence allows a business to continue activities that would otherwise be patent infringement, if the activities pre-date the filing date of the patent.
December 6, 2021
The Federal Court has limited the scope of patent agent privilege to communications directly related to the protection of patent rights.
October 5, 2021
Fed. Cir. No. 19-2286: The actual notice requirement of § 287 is only satisfied when the recipient is informed of the identity of the patent and the allegedly infringing activity.
August 23, 2021
2021 FCA 166: The Federal Court of Appeal's observations on the use of prosecution history demonstrate that courts continue to adapt to recent amendments to patent law.
July 7, 2021
Fed. Cir. No. 2020-1760: The CAFC sided with Apple and Samsung, finding a patent for an “improved” digital camera to be an abstract idea and not patent-eligible subject matter.
March 26, 2021
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
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
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
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
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
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
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
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
Fed. Cir. 2018-2087 - Plastic Omnium was unsuccessful in proving patent infringement because the patents used a "special definition" of the word "parison".