Case Filed: Nov 08, 2012
Case Closed: Feb 06, 2014
Judge: Joy Flowers Conti
Court: Pennsylvania Western District Court
Case Summary:

Maxim Integrated Products, a company that designs, manufactures, and sells analog and mixed-signal semiconductor products sued Walmart, a corporation that runs chains of large discount department stores and warehouse stores. The lawsuit concerned infringement of four US patents that are currently assigned[i] to Maxim (source: MaxVal’s Assignment Database). The patents in question are:
 
Patent Number
Current Assignee

Issue Date

Expiration[ii]
Date
Title
US5940510

Aug 17, 1999

Jan 31, 2016
Transfer of valuable information between a secure module and another
module
US5949880

Sep 07, 1999

Jan 31, 2016
Transfer of valuable information between a secure module and another
module
US6105013

Aug 15, 2000

Jan 31, 2016
Method, apparatus, system and
firmware for secure
transactions
US6237095

May 22, 2001

Jan 31, 2016
Apparatus for transfer of secure information between a data carrying
module and an electronic device
The patents describe a system for communicating data securely. The complaint alleged that Walmart infringed one or more claims of the patents literally or under the doctrine of equivalents, by manufacturing products, devices, systems, and/or components of systems that embody the patented invention including Walmart smartphone applications. 
A joint stipulated motion for dismissal with prejudice of claims was filed by Maxim and Walmart.  Based upon the stipulation of dismissal, the Court ordered all claims brought by Maxim against Walmart and all counterclaims brought by Walmart against Maxim as dismissed with prejudice, with each party bearing its own costs, expenses and attorneys' fees.
See 2:12-cv-01643 for more  details. To get alerts on cases filed/closed, subscribe to our Litigation Alerts.
Max-Insight enables you to access all of our patent tools such as Patent Term Estimator, Patent Family Tree, Has This Patent Been Litigated, etc. in one location. Max-Insight is available in 4 different subscriptions: Free, Bronze, Silver and Gold with varying usage levels. To learn more about Max-Insight, click here.


[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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Tags: Alerts, Assignment, Database, Free, Litigation, Max-Insight, Maxim, Patent, Tools, Walmart

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