Posts Tagged: "certificate of correction"

Certificate of Correction Changing a Chemical Structure Does Not Affect Validity of Patent

The sole modification in the figure amended was to change one of the 13 amino acids in the structure of daptomycin from an L-stereoisomer to a D-stereoisomer of asparagine. At the time of the invention, it was universally believed that daptomycin included the L-stereoisomer. Not until years later did Eli Lilly discover the error. In any case, the certificate of correction did not affect the validity of the patent, because daptomycin had been described in numerous ways in the application, including by referencing another application that described how to make daptomycin, which would have inherently included the D-stereoisomer.

Robert Schaffer & Joseph Robinson

November 22, 2015

Patent Strategy: Building a patent portfolio with meaningful rights

Last week I wrote about adopting a patent strategy in order to lay the foundation for success. What the article did not touch upon, however, is how you can use procedural mechanisms available at the Patent Office to expand your patent into a patent portfolio, or how to correct unforeseen problems with your patent (or portfolio) that may needlessly compromise…

Gene Quinn

May 9, 2015