Comerica Hit With Suit Over Internet Security Patent
Network Signatures Inc. filed suit Wednesday in the U.S. District Court for the Central District of California, claiming Comerica has breached the plaintiff's patent rights through the use of digital certificates and signatures with public keys.
The suit asserts U.S. Patent Number 5,511,122, issued in 1996 and titled “Intermediate network authentication.”
The patented technology, developed by...
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