Mosaid Technologies, Dell et al. Settle suit over Wi-Fi Patents

Case Filed: Mar 16, 2011

Case Closed: Nov 05, 2013

Judge:   Michael H. Schneider

Court: Texas Western District Court

Case Duration: 965 Days

Case Summary:

Mosaid develops semiconductor memory technology and licenses patented intellectual property in the areas of semiconductors, and wired and wireless communications systems. It accused about 25 companies of breaching their Wi-Fi patents including:

• Dell
• Research in Motion Corporation
• Datalogic
• Informatics Holdings
• Venture Research
• Asus Computer International
• Lexmark International
• Canon
• Digi International
• Intel
• Marvell Semiconductor
• Realtek Semiconductor and
• Few others

In its complaint, Mosaid claimed that defendants infringed Mosaid's patents by making and selling products that comply with or implement the IEEE 802.11 family of communications standards, known as “Wi-Fi". The patents in suit are:

Patent Number Current/Last Assignee+	Issue Date	Expiration Date*	Title
US6992972 Royal Bank of Canada	Jan 31, 2006	Jan 06, 2018	Frequency division multiplexing system with selectable rate
US5131006 Mosaid	Jul 14, 1992	Sep 06, 2010	Carrier detection for a wireless local area network
US5151920 Mosaid	Sep 29, 1992	Sep 10, 2011	Radio LAN station with improved frame delimiter detection in a spread spectrum environment
US5422887 Royal Bank of Canada	Jun 06, 1995	Jun 06, 2012	Medium access protocol for wireless local area network
US5706428 Royal Bank of Canada	Jan 06, 1998	Mar 14, 2016	Multirate wireless data communication system
US6563786 Royal Bank of Canada	May 13, 2003	Jan 06, 2018	Orthogonal frequency division multiplexing system with selectable rate

Source: MaxVal’s Assignment Database.

Plaintiff wanted the Court to declare a judgment in favor against defendants besides a claim for damages.

The parties settled the case, as a result of which Datalogic and Digi International were dismissed from the case in the year 2011. Later, Mosaid filed an agreed motion to dismiss RIM, Murata Electronics, Sychip, pursuant to which the Court granted dismissal. All the other defendants including, Dell, Informatics, Wasp Barcode, Venture Research, Huawei, Futurewei, Wistron, SMS Infocomm, ASUSteK, Asus, Lexmark, Canon, Intel, Atheros, Marvell Semiconductor, Realtek, Ralink Technology, CSR  were dismissed from the case with/without prejudice.

See 2:11-cv-00179 for more details. To get alerts on cases filed/closed, subscribe to our Litigation Alerts.

* Expected expiration date using Patent Term Estimator, use our free tool or download our free Android app on Google Play Store. 

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* 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.