Extensions — US Patent 9531665

Patent Term and Family Analysis for US 9,531,665

Patent Term Adjustments and Extensions

A review of the prosecution history for US patent 9,531,665 indicates the following regarding its term:

Patent Term Adjustment (PTA): There has been no Patent Term Adjustment granted for this patent. The USPTO's calculation shows 0 days of adjustment. This means no significant prosecution delays attributable to the patent office were recorded that would extend the patent's life.
Patent Term Extension (PTE): There is no evidence of any Patent Term Extension under 35 U.S.C. § 156. PTE is typically granted for delays in regulatory review for products like pharmaceuticals and medical devices and is not applicable to this patent.

Continuity and Family Data

US patent 9,531,665 is a continuation of a long chain of preceding applications, establishing a very early priority date.

Type: Continuation Application
Parent Application: The direct parent is U.S. Patent Application No. 13/274,303 (now US Patent 8,971,858), filed on October 15, 2011.
Priority Date: The patent claims priority to the earliest non-provisional application in its family, which is U.S. Patent Application No. 11/164,318, filed on November 17, 2005. This is the critical date for determining the patent's expiration.

There are no divisional applications stemming from the application that led to the '665 patent.

Patent Family Members

This patent is part of a large family of US patents and applications all stemming from the original 2005 filing. Notable issued patents in this family include:

There are no foreign counterpart applications, meaning this patent family exists only in the United States.

Projected Expiration Date

The term of a US patent is generally 20 years from the filing date of the earliest U.S. non-provisional application to which it claims priority.

Earliest Priority Date: November 17, 2005
Base Term: 20 years from the priority date
PTA/PTE: 0 days

Calculation: November 17, 2005 + 20 years = November 17, 2025

Therefore, the projected expiration date for US patent 9,531,665 is November 17, 2025. It is important to note that the patent's status on Google Patents is listed as "Expired - Fee Related," which indicates that required maintenance fees were not paid, causing it to lapse before its full term. According to the USPTO's legal events, the patent expired on December 27, 2024, for failure to pay the 8-year maintenance fee.