The importance of the wording of a patent claim is paramount. And, even the capitalization of the words of the claims can matter as shown in the case of AIP Acquisition LLC v. Cisco Systems, Inc., No. 2016-2371 (Fed. Cir. 2017).
Cisco Systems challenged the validity of U.S. Patent No. 7,269,247, owned by AIP Acquisition. The patent is directed to systems and methods for interconnecting otherwise incompatible telephone networks using the Internet, for example, for the purpose of placing a phone call through various networks including the “Internet or other data networks.”
A disputed portion of claim 1 provided “the second format being internet protocol” and a disputed portion of claim 16 provided “wherein said second format is Internet protocol.”
In order to distinguish the prior art and save the validity …