Tuesday, March 19, 2013

Rembrandt Wireless Technologies Sues RIM and Samsung over Bluetooth Technology

Plaintiff: Rembrandt Wireless Technologies LP

Defendants: Research in Motion Corporation, Research in Motion Ltd, Samsung Electronics Co.  Ltd, Samsung Electronics America LLC, and Samsung Telecommunications America LLC 

A patent infringement case (2:13-cv-00213) was filed on Mar 15 in the Texas Eastern District Court. The patent involved in this suit is US8023580 (System and method of communication using at least two modulation methods) and it is currently assigned[i] to Rembrandt Wireless Technologies (sourced from MaxVal’s Assignment Database). The patent was issued on Sep 20, 2011 and expires[ii] by Dec 04, 2018. 

The complaint says that defendants Samsung and RIM have infringed the above patent by manufacturing and marketing products complying with the Bluetooth Standards including version 2.0 + EDR, version 2.1 + EDR, version 3.0 + HS and version 4.0. Each of these Bluetooth Standards supports Enhanced Data Rate (EDR) mode. Allegedly infringing products according to the complaint are listed below:

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[i] MaxVal offers Patent Assignment Alert service where subscribers receive email alerts when assignments relating to target applications, patents or entities of interest are recorded.
[ii] Expected expiration date. Patent Term Estimator is a free web-based tool that automatically calculates patent terms and expiration dates for U.S. utility patents.

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