CTS prevails in decade-long Ultimax patent litigation

CTS Cement Manufacturing Corp., Cypress, Calif.

Putting an end to a 10-year-old patent litigation brought by Ultimax, Hassan Kunbargi, Heartland Cement Sales Company and the K.A. Group against CTS Cement Manufacturing, manufacturers of Rapid Set Cement, its Chairman Edward K. Rice, and a number of CTS customers, Judge Andrew J. Guilford of the U.S. District Court for the Central District of California ruled that Rice and CTS have a shop right in the patent they allegedly infringed.

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