AT&T, Verizon, Others Accused Of Networking IP Infringment

Law360, New York (April 6, 2012, 12:31 PM EDT) -- A patent-holding company hit five cellphone service providers — including AT&T Inc., T-Mobile U.S.A. Inc. and Verizon Wireless — with infringement suits Wednesday in Nebraska federal court, alleging they tread on patented database and networking technology.

Patent holder Prism Technologies LLC filed separate complaints against AT&T, T-Mobile, Verizon, Sprint Spectrum LP and United States Cellular Corp., all accusing the phone companies of infringing two patents owned by Prism.

U.S. Patent Numbers 7,290,288 and 8,127,345 cover technology that authenticates computers connected to a network in order to...
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Case Information

Case Title

Prism Technologies v. AT&T et al


Case Number

8:12-cv-00122

Court

Nebraska

Nature of Suit

Patent

Judge

Lyle E. Strom

Date Filed

April 4, 2012


Case Title

Prism Technologies v. Sprint Spectrum L.P.


Case Number

8:12-cv-00123

Court

Nebraska

Nature of Suit

Patent

Judge

Lyle E. Strom

Date Filed

April 4, 2012


Case Title

Prism Technologies v. T-Mobile USA, Inc.


Case Number

8:12-cv-00124

Court

Nebraska

Nature of Suit

Patent

Judge

Lyle E. Strom

Date Filed

April 4, 2012


Case Title

Prism Technologies v. United States Cellular Corporation


Case Number

8:12-cv-00125

Court

Nebraska

Nature of Suit

Patent

Judge

Lyle E. Strom

Date Filed

April 4, 2012


Case Title

Prism Technologies v. Cellco Partnership et al


Case Number

8:12-cv-00126

Court

Nebraska

Nature of Suit

Patent

Judge

Lyle E. Strom

Date Filed

April 4, 2012

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