Extensions

To provide a detailed analysis of US Patent 11761390 regarding patent term adjustments (PTA), patent term extensions (PTE), continuation/divisional applications, related family members, and projected expiration date, I will use the information available from the patent document itself and general knowledge of patent law.

Patent Term Adjustments (PTA)

Patent Term Adjustment (PTA) is granted to compensate for administrative delays by the USPTO during patent prosecution. These delays fall into categories such as:

• Failing to issue an office action within 14 months of filing.
• Failing to respond to a reply or appeal within four months.
• Failing to act on an application within four months of a PTAB or federal court decision.
• Failing to issue a patent within four months after payment of the issue fee.
• Failing to issue a patent within 36 months from the filing date.

Applicant delays can reduce any PTA awarded. The exact PTA for US11761390 is usually noted on the face of the patent itself or in the Issue Notification Letter.

As per the Google Patents entry, US11761390 indicates an adjusted expiration date of November 1, 2033. [cite: US11761390B2] Since the statutory term for a utility patent filed after June 8, 1995, is generally 20 years from the earliest priority filing date, and the priority date for US11761390 is November 1, 2013 [cite: US11761390B2], the unadjusted expiration date would have been November 1, 2033. The fact that the "adjusted expiration" date is the same as the unadjusted date implies that there might have been no net PTA awarded, or that any PTA was offset by applicant delay, or that the calculation resulted in no change to the overall expiration.

Patent Term Extensions (PTE)

Patent Term Extension (PTE) is distinct from PTA and is available for patents claiming products (e.g., human drugs, medical devices, food additives) that require pre-market regulatory approval from agencies like the FDA. The purpose of PTE is to restore a portion of the patent term lost during this regulatory review process.

Based on the subject matter of US11761390, which relates to a dual fuel selector switch for generators, it does not appear to cover a product that would qualify for a Patent Term Extension under 35 U.S.C. § 156. The patent describes mechanical and control systems for an engine, not a product requiring regulatory approval for commercial marketing related to pharmaceuticals, medical devices, or food additives. Therefore, it is highly unlikely that US11761390 has received any PTE.

Continuation and Divisional Applications

• Continuation Applications: A continuation application is a new application filed during the pendency of an earlier ("parent") non-provisional application, claiming the same invention. It shares the same filing date as its parent and allows for further examination of claims.
• Divisional Applications: A divisional application is also a new application filed during the pendency of an earlier ("parent") application, but it specifically covers inventions disclosed in the parent application that were subject to a restriction requirement. It also shares the same filing date as its parent.

US11761390 is explicitly identified as a continuation of U.S. patent application Ser. No. 16/789,722, filed on Feb. 13, 2020. This application, in turn, is a continuation of U.S. patent application Ser. No. 15/015,205, filed on Feb. 4, 2016 (now U.S. Pat. No. 10,598,101), which itself is a continuation of U.S. patent application Ser. No. 14/069,747, filed on Nov. 1, 2013 (now U.S. Pat. No. 9,435,273). [cite: US11761390B2]

This chain of priority indicates several continuation applications. The earliest priority date for this patent family is November 1, 2013, from U.S. patent application Ser. No. 14/069,747. [cite: US11761390B2]

Related Family Members

The patent family for US11761390 includes several related applications, all stemming from the same priority date of November 1, 2013. [cite: US11761390B2] These related applications are:

• US17/651,245 (the application number for US11761390) [cite: US11761390B2]
• US20220170421A1 (a publication of US17/651,245) [cite: US11761390B2]
• US18/330,807 (Priority to US18/330,807, which issued as US11905896B2) [cite: US11761390B2]
• US18/443,530 (Priority to US18/443,530, which published as US20240183321A1) [cite: US11761390B2]
• US19/027,054 (Priority to US19/027,054, which published as US20250154912A1) [cite: US11761390B2]
• US19/027,095 (Priority to US19/027,095, which published as US20250163860A1) [cite: US11761390B2]

The following earlier patents/applications are also part of this family, as US11761390 claims priority from them:

• U.S. patent application Ser. No. 16/789,722 (filed Feb. 13, 2020, which issued as US11306667B2) [cite: US11761390B2]
• U.S. patent application Ser. No. 15/015,205 (filed Feb. 4, 2016, which issued as US10598101B2) [cite: US11761390B2]
• U.S. patent application Ser. No. 14/069,747 (filed Nov. 1, 2013, which issued as US9435273B2) [cite: US11761390B2]

Projected Expiration Date

The statutory patent term for utility patents filed on or after June 8, 1995, is 20 years from the earliest claimed filing date. US11761390 claims priority to an application filed on November 1, 2013. [cite: US11761390B2]

Therefore, the unadjusted expiration date would be November 1, 2033.

The Google Patents page for US11761390 also lists the "Adjusted expiration" date as November 1, 2033. [cite: US11761390B2] This indicates that either no patent term adjustment was granted, or any adjustments for USPTO delays were offset by applicant delays, resulting in no change to the 20-year term from the priority date.

Summary of Term and Family Information for US11761390:

• Patent Term Adjustments (PTA): The adjusted expiration date is listed as November 1, 2033, which is 20 years from the earliest priority date. This implies no net PTA was awarded or that any adjustments were negated. [cite: US11761390B2]
• Patent Term Extensions (PTE): Not applicable, as the patent does not cover a product requiring regulatory approval under 35 U.S.C. § 156.
• Continuation Applications: US11761390 is a continuation of U.S. patent application Ser. No. 16/789,722, which is a continuation of U.S. patent application Ser. No. 15/015,205, which is a continuation of U.S. patent application Ser. No. 14/069,747. [cite: US11761390B2]
• Divisional Applications: No explicit divisional applications are mentioned in the provided text for US11761390.
• Related Family Members: The patent family includes the current patent, its application US17/651,245, its publication US20220170421A1, and several priority and child applications: US14/069,747 (US9435273B2), US15/015,205 (US10598101B2), US16/789,722 (US11306667B2), US18/330,807 (US11905896B2), US18/443,530 (US20240183321A1), US19/027,054 (US20250154912A1), and US19/027,095 (US20250163860A1). [cite: US11761390B2]
• Projected Expiration Date: November 1, 2033. [cite: US11761390B2]