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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