Extensions

Analysis of Patent Term and Related Applications for U.S. Patent 8,315,769

As of April 30, 2026, the following analysis details the patent term, application history, and projected expiration for U.S. Patent No. 8,315,769.

Patent Term Adjustments (PTA) and Extensions (PTE)

• Patent Term Adjustment (PTA): There are no Patent Term Adjustments recorded for U.S. Patent 8,315,769. The application and issuance timeline did not accrue any statutory delays that would warrant an adjustment to the patent's term.
• Patent Term Extension (PTE): There are no Patent Term Extensions for this patent. PTE under 35 U.S.C. § 156 is typically granted for delays caused by pre-market regulatory review by agencies like the FDA and does not apply to the technology covered by this patent.

Application Continuity and Family Members

U.S. Patent 8,315,769 is part of a large family of patents and applications stemming from earlier filings. The continuity chain establishes the priority date, which is crucial for determining the patent's term.

• Application Number: The application that matured into this patent is 13/302,965, filed on November 22, 2011.

• Priority Claim / Parent Applications: The patent claims the benefit of a long chain of preceding applications. The "RELATED APPLICATION" section of the patent specification explicitly states this lineage. The earliest non-provisional application in this chain, which sets the patent term, is:

  • U.S. Application No. 11/243,364, filed on October 3, 2005 (now U.S. Patent 7,239,953).

  This application, in turn, claims priority to:

  • U.S. Provisional Application No. 60/616,400, filed on October 5, 2004.

• Continuation and Related Applications: The patent family has been extended through numerous continuation applications filed after U.S. Patent 8,315,769 was filed. These applications claim priority back to the original 2005 filing date and represent ongoing efforts by the assignee to pursue additional claims related to the technology. Notable child applications include:

  • U.S. Application No. 13/650,017 (now U.S. Patent 8,682,558)
  • U.S. Application No. 14/220,511 (now U.S. Patent 9,123,249)
  • U.S. Application No. 14/807,688 (now U.S. Patent 9,643,538)
  • U.S. Application No. 15/471,772 (now U.S. Publication 2017/0259738)

• Divisional Applications: There is no record of any divisional applications related to this patent. The continuity is established through continuation and continuation-in-part applications.

Projected and Actual Expiration Date

The term of a U.S. patent is twenty years from the filing date of the earliest U.S. non-provisional application to which it claims priority.

• Earliest Non-Provisional Filing Date: October 3, 2005 (from U.S. Application No. 11/243,364).
• Calculation: October 3, 2005 + 20 years.
• Expiration Date: October 3, 2025.

As of the current date of April 30, 2026, U.S. Patent 8,315,769 has expired. Its full statutory term has concluded, and it is now in the public domain. This is consistent with the "Expired - Lifetime" status noted in public patent databases.