Assignments Published by the USPTO During the Second Half of August Include Transfers to Frequent LitigatorsSeptember 7, 2017
RPX took notice, among the USPTO assignment records made available during the second half of August, of transfers to several frequent plaintiffs in litigation, including affiliates of Leigh M. Rothschild, IP Edge LLC, and Monument Patent Holdings, LLC.
The Medical Device Field Not Immune to IP Edge LitigationMay 1, 2017
Mirage IP LLC, an affiliate of Texas monetization firm IP Edge LLC, has launched a litigation campaign, asserting two medical device patents (6,375,629; 6,958,059). The ‘629 patent is asserted against AngioDynamics (2:17-cv-00377), Cook Medical Technologies (2:17-cv-00379), MS Holding (Biotronik) (2:17-cv-00378), St. Jude Medical (2:17-cv-00383), and Stryker (2:17-cv-00384) for the manufacture and sale of medical guidewires; the ‘059 patent, against Oscor (2:17-cv-00381) and Spectralytics (Spectranetics) (2:17-cv-00382) for the use of certain catheters; and the ‘629 and ‘059 patents, against Microvention (2:17-cv-00380) for the manufacture and sale of both guidewires and catheters. This campaign is IP Edge’s fifth of 2017 and the second to assert medical devices patents acquired from IP Navigation Group, LLC (d/b/a IPNav).