Plaintiffs: Mosaid Technologies,
LSI, Agere Systems
Defendants: Freescale
Semiconductor, NVIDIA, Interphase Corporation, ARM
Case Filed: Apr 07, 2011
Case Closed: Aug 30, 2013
Court: Texas Eastern District
Court
Judge: Michael H. Schneider
Case Summary:
Mosaid Technologies sued
Freescale Semiconductor, NVIDIA and Interphase Corporation, accusing the rivals of
infringing 7 patents related to power management technique and microprocessor
architecture. The patents in suit were:
Patent Number/
Current Assignee[i]
|
Issue
Date
|
Expiration
Date[ii]
|
Title
|
US5577230
|
Nov 19, 1996
|
Aug 10, 2014
|
Apparatus and method for computer processing using an enhanced
Harvard architecture utilizing dual memory buses and the arbitration for
data/instruction fetch
|
US5724505
|
Mar 03, 1998
|
May 15, 2016
|
Apparatus and method for real-time program monitoring via a serial
interface
|
US5958036
|
Sep 28, 1999
|
Sep 08, 2017
|
Circuit for arbitrating interrupts with programmable priority levels
|
US6141762
|
Oct 31, 2000
|
Aug 03, 2018
|
Power reduction in a multiprocessor digital signal processor based on
processor load
|
US6256725
|
Jul 03, 2001
|
Dec 04, 2018
|
Shared data path processor utilizing stack-based and register-based
storage spaces
|
US7051306
|
May 23,2006
|
May 07,2024
|
Managing power on integrated circuits using power islands
|
US7415680
|
Aug 19, 2008
|
May 07,2024
|
Power managers for an integrated circuit
|
Source: MaxVal’s Assignment
Database
In its complaint, Mosaid alleged
that Freescale, Nvidia, and Interphase have infringed, and continue to infringe
certain patents related primarily to power management techniques, and
microprocessor architecture. The accused devices include graphics processors,
application processors, microcontrollers, and system-on-chip devices. These
micro-component products are used in mobile, automotive, consumer and communications
applications. Complaint sought judgment of infringement, money damages,
attorneys’ fees and other relief, the Court may deem just and proper.
In 2012, Mosaid filed a motion to
consolidate cases (Mosaid case and the ARM Case) which was approved by the
Court. On Feb 28, 2013, Freescale and
Interphase Corporation were dismissed from the case with prejudice as the parties
filed a joint motion. Later, Court
rendered judgment as a result of plaintiffs and defendants filing a joint
motion ordering dismissal of NVIDIA and ARM with and without prejudice,
respectively.
For
more details on the cases, see 6:11-cv-00173. To get alerts on cases
filed/closed, subscribe to our Litigation Alerts.
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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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