On April 21, 2010, Data Detection Systems LLC filed a patent infringement lawsuit against Attachmate Corporation, International Business Machines (IBM) Corporation and Hewlett Packard (HP) Company, claiming the companies are willfully infringing one of its patents related to the execution of one or more computer application programs on one or more host computers under the control of a second computer.

The patent-at-issue, US Patent No. 5,228,137, is entitled, “Method for controlling execution of host computer application programs through a second computer by establishing relevant parameters having variable time of occurrence and context,” and was issued on July 13, 1993.

Data Detection Systems seeks an injunction, damages and attorney’s fees.

SOURCE:

Michelle Massey, “Recent patent infringement cases filed in the Eastern District of Texas,” SE Texas Record, April 28, 2010 (http://www.setexasrecord.com/news/226391-recent-patent-infringement-cases-filed-in-the-eastern-district-of-texas).