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U.S. Patent & Trademark Office Grants Tumbleweed A New Digital Certificate Patent


Redwood City, CA – Tumbleweed® Communications Corp. (NASDAQ:TMWD), a leading provider of email security, managed file transfer, and identity validation appliance and software products, announced that it has been granted U.S. Patent No. 7,073,056 by the U.S. Patent and Trademark Office.

The new patent, titled "Apparatus and Method for Demonstrating and Confirming the Status of Digital Certificates and Other Data” describes a method and apparatus for demonstrating and confirming the status of digital certificates and other data. The new patent is a continuation of U.S. Patent No. 6,532,540, which is itself a divisional of Patent No. 5,903,651, the application for which was filed on May 14, 1996.

Tumbleweed's patent portfolio includes 23 granted U.S. utility patents. The patent portfolio broadly covers secure communication over Internet standards.

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Information Disclosure Statement (IDS)

Definition:
A list of all patents, publications, U.S. applications, or other information submitted for consideration by the Office in a non-provisional patent application filed under 35 U.S.C. 111(a) to comply with applicant's duty.

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Definition:
The concept that the claims must be totally new.

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• U.S. Patent & Trademark Office Grants Tumbleweed A New Digital Certificate Patent


• Via Licensing Announces Patent Licensing Terms For Interactive Television Services

 

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