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Claim to High-Yield Enzymatic Production of Stevia Compound Held Invalid as Abstract Idea

Naturally occurring compounds generically referred to as steviols are used as sugar substitutes because they impart sweetness without contributing calories. These compounds exist in different forms, with some being sweeter...more

Patents on Measuring cfDNA to Detect Rejection of Transplanted Organs Held Invalid

When a person who has received an organ transplant experiences rejection, DNA from the transplanted organ is released into the bloodstream as the organ's cells are attacked by the person's immune system. The circulating DNA...more

Patents Nominally Directed to Method of Treatment Held Invalid as Claiming Law of Nature - Claims Instructed to Withhold Drug from...

Most of the Section 101 cases discussed on this blog concern patents in the technology arts, which are commonly challenged on the ground that the claims are invalid because they are directed to an "abstract idea." This post...more

New Reverse-Payment Decision Sheds Further Light on Plaintiffs’ Causation Burden

As post-Actavis antitrust litigation over so-called “reverse payment” patent settlements proceeds, courts continue to provide further illumination about what evidence a private plaintiff would need to offer to survive summary...more

Reverse-Payment Plaintiffs Mine Patent Litigation Record to Survive Summary Judgment

We pointed out in a recent article that, based on recent decisions by the Courts of Appeals for the First and Third Circuits, private antitrust plaintiffs seeking damages from so-called “reverse-payment” settlement agreements...more

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