Patent Drafting

May 16, 2023
Wrenches on a gray background. The wrenches are arranged around the periphery of the photo.

ChatGPT: A Limited Tool for Patent Agents, Not a Solution for IP Strategy

ChatGPT can provide some very useful efficiencies for patent agents. Here are six ways Andrew Currier has integrated ChatGPT into his patent practice.
May 2, 2023
Photograph of clothespins hanging upside down on a clothesline, the clothespins resemble the letter "A".

The Federal Circuit Interprets the Meaning of “A” in Patent Claims

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.
March 29, 2022
Photograph of a computer programmer holding up a sticky note that says "A.I."

The Limits of Artificial Intelligence and Patent Drafting

Today, there is much talk about how artificial intelligence plays a significant role in patent drafting and could replace the patent attorney altogether.
March 16, 2022
Photograph of Scrabble tiles arranged to form the term "WORDS"

Rethinking “Said” vs. “The” in Patent Claims

Patent drafters should take the time to consider the “why” behind drafting choices. There is no “right” or “wrong” way here, only the need to be mindful.
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".
October 28, 2019
Flax seeds (or linseeds)

Foreign Prosecution History is Now Admissible in “Extraordinary Circumstances”

2019 FC 1233 – In a dispute over flax seeds, Canada's Federal Court says foreign prosecution history may be admissible under the new s. 53.1 of the Patent Act.
October 11, 2019
Close up photo of an automotive hub cap and tire of a car.

Automotive Patent Overturned As “Monstrous” §101 Grows Another Head

CAFC 2018-1763 – In fiercely dissented decision, a top US court has invalidated an automotive patent, further extending the reach of the controversial §101.
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.
June 30, 2017

Canada’s Supreme Court Abolishes Controversial “Promise Doctrine”

2017 SCC 36 - The Supreme Court of Canada struck down the “promise doctrine” of Canadian patent law in favour of merely requiring a single use related to the nature of the subject-matter of the invention having a scintilla of utility.
April 30, 2013

PAB Clarified Sound Prediction and Functional Claim Drafting

Re. Patent Application No. 592,567, CD 1303 The subject application was rejected by the Examiner under section 2 of the Patent Act for containing claims for […]