Plaintiff: Pragmatus AV

Defendant: Yahoo!

Case Type: Infringement 

Case Number: 3:13-cv-01176

Date Filed: Mar 15, 2013

Court: California Northern District Court

Patents-in-suit: US7421470 and US7433921
Patent Number

Current Assignee[i]
Issue Date
Expiry Date[ii]

Sep 02, 2008

Oct 01, 2013
Method for real-time communication between plural users

Oct 07, 2008

Oct 01, 2013
System for real-time communication between plural users

Source: MaxVal’s Assignment Database

As per the complaint, Pragmatus claims that Yahoo! Messenger is in violation of ‘470 and ‘921 patents. The patents claim methods of implementing multimedia and collaborative capabilities, including desktop teleconferencing and multimedia mail communication and information sharing. 

The suits recently filed by plaintiff are 
Case Number
Research In Motion
ASUSTeK Computer

Source: MaxVal’s Litigation Databank
If you are interested in knowing more about other cases filed by plaintiff, please contact us. To get alerts on cases filed, subscribe to our Litigation Alerts.
Has this patent been litigated? Use our free tool or download our free Android app on Google Play.

[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 automaticallycalculates patent terms and expiration dates for U.S. utility patents.

Views: 56

Tags: AV, Alerts, Assignment, Databank, Database, Estimator, Free, Litigation, Patent, Pragmatus, More…Term, Tool, Yahoo!


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