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Category: Patent Trends & Activity

Lead Compound Analysis in Mylan v. RCT

Lead compound analysis (LCA) has been used in the evaluation of chemical compound Obviousness for the past 20 years.[1]  This approach supplemented the historic formulation of In re Dillon.[2]  While the Dillon analysis pivots about the structural similarity of the cited compound to that claimed and any motivation to make the claimed compound, LCA involves selection of a lead compound that is the most promising candidate for modification to improve its activity.  As such, it represents a somewhat more difficult standard than in Dillon.

Obviousness, Prodrugs and the Rule of 5: Amerigen Pharmaceuticals Limited v. UCB Pharma GmbH

In Amerigen Pharmaceuticals Limited v. UCB Pharma GMBH, 2017-2596 (Fed. Cir. January 11, 2019), the Federal Circuit upheld the Board’s IPR finding that claims 1-5 and 21-24 of UCB’s U.S. Patent 6,868,650 were not obvious.[1]  The patent claims cover Toviaz® (Fesoterodine), an antimuscarinic drug to treat urinary incontinence.[2]  Judge Lourie included a remark […]

Rising Carbon Dioxide Levels: Capture Methods & Patent Trends

Recent data from NOAA, the National Oceanic and Atmospheric Administration, indicates that current atmospheric carbon dioxide (CO2) levels are at 409 ppm as of October 2018. This is a 36% increase from the highest historical CO2 level,1 and is increasingly being attributed to human activity, namely fossil fuel combustion in power generation, […]

Let Us Now Praise Unfamous Inventors, Part II: The “Almost-10 Millionth” Patentee

It seems like only yesterday that the United States Patent and Trademark Office (USPTO) issued U.S. Pat. No. 9,000,000 for a “windshield washer conditioner” that collects and conditions rainwater or dew from a windshield for use as washer fluid.  And now we’ve surpassed 10,000,000!  If patents were Wonka Bars, the […]

Fluid Catalytic Cracking Patents – 2017, Part I: Catalytic Compositions/Synthesis

This is the first article in a review of patents issued in 2017 in the area of Fluid Catalytic Cracking (FCC).  The summary below covers six patents related to fluid cracking catalyst compositions/synthesis. One technique for categorizing patents related to Fluid Catalytic Cracking is to group them in certain categories:  […]