J. Derek Mason

J. Derek Mason

J. Derek Mason is a Partner withOblon, one of the largest law firms in the United States focused exclusively on intellectual property law, focuses his practice on patent preparation and prosecution, licensing, intellectual property issues arising in various types of corporate transactions, client counseling and opinions on various intellectual property issues.

For more information, or to contact Derek, please visit his Firm Profile Page.


Posts by J. Derek Mason


Assignor Estoppel and IPRs: Possible Impact of Arista v. Cisco on Employment or Assignment Agreements

The doctrine of assignor estoppel has been around for over a century and most often applied in the U.S. International Trade Commission (ITC) and U.S. …
By J. Derek Mason
1 month ago 2