Extensions

Patent Term and Application History of US 12,232,681

Patent Term Adjustments (PTA) and Extensions (PTE)

As of today's date, May 1, 2026, there is no public record of any Patent Term Adjustment (PTA) or Patent Term Extension (PTE) for U.S. Patent 12,232,681. Patent Term Adjustment is intended to compensate for delays caused by the U.S. Patent and Trademark Office (USPTO) during the prosecution of a patent. The absence of an adjustment suggests the patent's examination was completed within the standard timeframes set by the USPTO.

Application History and Relationship to Other Patents

U.S. Patent 12,232,681, which was filed on December 11, 2023, is part of a series of related applications, known as a patent family. It is a continuation of a prior application, a common strategy used to pursue protection for different aspects of an invention.

The direct lineage of this patent is as follows:

• This Patent: Application number US18/535,327, filed on December 11, 2023, which resulted in U.S. Patent 12,232,681 B2.
• Parent Application: It is a continuation of application US17/830,947, filed on June 2, 2022, which issued as U.S. Patent 11,864,712 B2.
• Grandparent Application: The '947 application is itself a continuation of application US16/833,984, filed on March 30, 2020, which issued as U.S. Patent 11,375,874 B2.

Because of this relationship, U.S. Patent 12,232,681 shares the earliest priority date of the family, which is March 30, 2020.

Patent Family Members

The patent family for U.S. Patent 12,232,681 includes several U.S. applications and patents, as well as international counterparts. All applications in this family claim priority to the original March 30, 2020 filing date.

• U.S. Patents:
  • US 11,375,874 B2
  • US 11,864,712 B2
  • US 12,232,681 B2 (the patent in question)
  • US 12,543,922 B2
• U.S. Patent Applications:
  • US 2025/0169672 A1 (from application US19/039,228)
• Foreign Counterparts:
  • EP 3888522 B1 (European Patent Office)
  • CN 113455987 B (China National Intellectual Property Administration)

No divisional applications related to U.S. Patent 12,232,681 were found in the provided documentation.

Projected Expiration Date

The term for a U.S. utility patent filed after June 8, 1995, is 20 years from the earliest non-provisional filing date to which it claims priority. For U.S. Patent 12,232,681, the earliest priority date is March 30, 2020.

Therefore, the anticipated expiration date for U.S. Patent 12,232,681 is March 30, 2040. This date is contingent on the timely payment of all required maintenance fees to the USPTO.