Extensions

Term, Related Applications, and Family Status for US Patent 8,145,721

As of May 11, 2026, this analysis details the term status and application history for U.S. Patent 8,145,721.

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Patent Term and Expiration

• Filing Date: The patent originates from an international application (PCT/SE2007/000200) filed on March 1, 2007. This date serves as the priority date.
• Standard Term: Patents filed on this date are subject to a 20-year term from the earliest priority date.
• Patent Term Adjustment (PTA): There is no record of any Patent Term Adjustment (PTA) granted for this patent. The USPTO did not add any days to the patent's term to compensate for administrative delays during prosecution.
• Patent Term Extension (PTE): There is no record of any Patent Term Extension (PTE). PTE, which is typically granted for delays caused by regulatory review (e.g., by the FDA), is not applicable to this patent's technology area.
• Projected Expiration Date: Based on the March 1, 2007, priority date and a standard 20-year term with no adjustments, the projected expiration date for U.S. Patent 8,145,721 is March 1, 2027. This is consistent with the "Anticipated expiration" date listed in the authoritative patent record.

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Continuations and Divisional Applications

A search of the USPTO database and the patent's family records reveals no subsequent U.S. continuation or divisional applications stemming from U.S. Patent 8,145,721 or its parent application (U.S. Application No. 12/529,468). The prosecution history shows a direct path from the national stage entry of the PCT application to the issuance of this single U.S. patent.

This indicates that the assignee pursued and obtained only one patent in the United States from this specific inventive disclosure. There are no related U.S. applications pending or granted that would expand the scope or subject matter of the patented invention.

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Patent Family

U.S. Patent 8,145,721 is part of a larger international patent family, all claiming priority to the same initial PCT application. This demonstrates a broader strategy to protect the invention in multiple key markets.

• Priority Application: PCT/SE2007/000200 (Filed: March 1, 2007)
• International Publication: WO2008105695A1
• Family Members:
  • United States: US8145721B2 (this patent)
  • China: CN101622846B
  • Germany: DE112007003305B4
  • Great Britain: GB2458846B

The existence of this patent family, particularly with granted patents in major jurisdictions like China and Europe (via the German patent), indicates that the original assignee, Ericsson, considered the invention to be of significant international value.