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Patent Term, Application History, and Family Data for US Patent 12359506

Based on a detailed analysis of the prosecution history and family data for US Patent 12359506, the following information has been compiled as of May 1, 2026.

Patent Term Adjustments (PTA) and Extensions (PTE)

The provided documentation for US patent 12359506 does not indicate any Patent Term Adjustment (PTA) or Patent Term Extension (PTE). The standard 20-year patent term from the earliest non-provisional filing date appears to apply.

Application History: Continuations and Divisionals

The application that resulted in US patent 12359506 is part of a chain of related applications.

• Parent Application: US patent 12359506 issued from application number US 18/490,715, which was filed on October 19, 2023. This application is a continuation of a prior-filed application.
• Continuation Of: Application US 18/490,715 is a continuation of application US 18/324,971, which was filed on May 27, 2023.
• Provisional Priority: The application chain claims priority to U.S. Provisional Patent Application No. 63/346,420, filed on May 27, 2022. This date establishes the priority date for the invention.
• Divisional Applications: There is no indication in the provided file history that any divisional applications have been filed from this patent's application chain.

Patent Family Members

US patent 12359506 is part of a larger international patent family, indicating the assignee, Little Giant Ladder Systems LLC, is seeking protection in multiple jurisdictions. The known family members that share the same priority date of May 27, 2022, include:

• United States:

  • US 18/324,971 (Parent Application, Pending)
  • US 18/490,715 (Issued as US 12,359,506)
  • US 2024/0044206 A1 (Publication of this patent's application)

• International (PCT):

  • WO 2023/230368 A1

• Foreign Jurisdictions (Applications Pending):

  • Australia: AU 2023276586 A
  • Canada: CA 3257046 A1
  • China: CN 119183494 A
  • Germany: DE 112023002459 T5
  • Great Britain: GB 2633961 A
  • Mexico: MX 2024014589 A

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 priority is claimed.

• Earliest Non-Provisional Filing Date: May 27, 2023 (from application US 18/324,971).
• Calculated Expiration Date: Adding 20 years to this date results in an expiration date of May 27, 2043.

The projected expiration date for US Patent 12359506 is May 27, 2043. This date is based on the standard 20-year term and does not include any adjustments or extensions, as none have been noted. This date is consistent with the "Anticipated expiration" listed in the Google Patents source file (Source: https://patents.google.com/patent/[US12359506](/patent/US12359506)/en).