Tallgrass Prairie Management, LLC v. Microsoft Corporation et al

  1. October 28, 2011

    Apple Settles Internet Security Patent Suit

    Apple Inc. on Friday settled claims brought by Tallgrass Prairie Management LLC in Texas accusing the technology giant of infringing three Internet security technology patents.

  2. September 15, 2011

    Microsoft, Apple Sued Over Internet Security IP

    Microsoft Corp., Apple Inc. and others were sued Wednesday in Texas for allegedly infringing three Internet security technology patents.

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