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Virtual Patent Marking

This page is intended to serve as a notice pursuant to 35 U.S.C. § 287(a) with respect to Phonebooth.com products and services. The following patents are not owned by the providers of Phonebooth.com products and services.

U.S. Pat. No. 6,108,704

This patent had a petition for inter-partes review within the United States Patent and Trademark Office granted in which there is a reasonable likelihood of the petitioner prevailing on its challenge to the patentability of claims 1-7 and 32-42.

This patent had a second petition for inter-partes review to the United States Patent and Trademark Office filed against it on Dec. 5, 2013 challenging the patentability of one or more of its claims.

As a result of one or more patent infringement lawsuits, this patent has had one or more of its patent claims alleged as invalid.

U.S. Pat. No. 6,701,365

As a result of one or more patent infringement lawsuits, this patent has had one or more of its patent claims alleged as invalid.

U.S. Pat. No. 6,513,066

As a result of one or more patent infringement lawsuits, this patent has had one or more of its patent claims alleged as invalid.

U.S. Pat. No. 6,009,469

This patent had a petition for inter-partes review to the United States Patent and Trademark Office filed against it on Dec. 5, 2013 challenging the patentability of one or more of its claims.

As a result of one or more patent infringement lawsuits, this patent has had one or more of its patent claims alleged as invalid.

U.S. Pat. No. 6,131,121

This patent had a petition for inter-partes review to the United States Patent and Trademark Office filed against it on Dec. 5, 2013 challenging the patentability of one or more of its claims.

As a result of one or more patent infringement lawsuits, this patent has had one or more of its patent claims alleged as invalid.

U.S. Pat. No. 6,185,184

U.S. Pat. No. 6,829,645

U.S. Pat. No. 6,687,738

U.S. Pat. No. 6,226678

U.S. Pat. No. 6,178,453

U.S. Pat. No. 7,149,208