Federal Court depletes AP&C’s validity arguments
Two patents relating to the processes for manufacturing reactive metal powders were found invalid for ambiguity pursuant to subsection 27(4) of the...Read More
It’s a fact: Methotrexate patent invalid for obviousness
In Medexus v Accord, the Federal Court concluded that a patent covering the use of methotrexate to treat inflammatory autoimmune diseases was...Read More
Takeda’s dexlansoprazole patent found invalid for lack of sound prediction of utility and for insufficiency
Background The drug DEXILANT is used to treat heartburn associated with gastroesophageal reflux disease and to heal damage to the esophagus from...Read More
US Supreme Court Clarifies Law of Ambiguity
The US Supreme Court has restated the test for determining whether a patent claim is indefinite (or ambiguous) in its recent decision...Read More