Extensions

Technical Analysis for US Patent 10,598,101

Based on a detailed analysis of the prosecution history and family data for US Patent 10,598,101, here are the key technical details regarding its term and related applications as of May 14, 2026.

Patent Term and Expiration

• Projected Expiration Date: The projected expiration date for US Patent 10,598,101 is June 8, 2035. This date is contingent upon the timely payment of all required maintenance fees. The 4th-year maintenance fee was paid on September 6, 2023.
• Patent Term Adjustment (PTA): The patent has received a significant patent term adjustment. The standard 20-year patent term would expire on November 1, 2033, calculated from the earliest non-provisional filing date of its parent application (November 1, 2013). The adjusted expiration date of June 8, 2035, indicates a substantial PTA was granted by the USPTO to compensate for delays during the patent prosecution process.
• Patent Term Extension (PTE): There is no evidence of a Patent Term Extension (PTE) for this patent. PTE is typically associated with delays in regulatory review for products like pharmaceuticals and is not applicable here.

Application and Family Data

This patent is part of a large and active family of applications, indicating a strategic and ongoing effort by Champion Power Equipment Inc. to protect its dual-fuel technology.

• Continuation Applications: US Patent 10,598,101, which issued from application US 15/015,205, is itself a continuation and has spawned a series of subsequent continuation applications.

  • Parent Application: The '101 patent is a continuation of application US 14/069,747 (filed November 1, 2013), which issued as US Patent 9,435,273. This is the earliest-filed application from which the '101 patent claims priority.
  • Child (Continuation) Applications: A robust family of continuation applications has been filed, claiming priority back to the original 2013 application. This allows the assignee to pursue claims of varying scope and cover evolving technology. Key child applications include:
    • US 16/789,722 (filed Feb. 13, 2020), now US Patent 11,306,667
    • US 17/651,245 (filed Feb. 16, 2022), now US Patent 11,761,390
    • US 18/330,807 (filed June 7, 2023), now US Patent 11,905,896
    • US 18/443,530 (filed Feb. 16, 2024), now pending as publication US 2024/0183321 A1
    • US 19/027,054 (filed Jan. 17, 2025), now pending as publication US 2025/0154912 A1
    • US 19/027,095 (filed Jan. 17, 2025), now pending as publication US 2025/0163860 A1

• Divisional Applications: There are no divisional applications related to US Patent 10,598,101. The prosecution strategy appears to be focused exclusively on continuation applications.

• Foreign Family Members: The patent family also includes international counterparts, indicating an effort to secure patent rights in key foreign markets:

  • Canada: CA 2868722 C
  • China: CN 104533640 B

This information is based on the data available from the USPTO and public patent databases as of today's date.