Extensions

The USPTO website (which is the authoritative source for this information) indicates that US Patent 9051542 is "Patent Expired Due to Failure to Pay Maintenance Fees". This supersedes any "anticipated expiration" dates previously noted. While the USPTO does not calculate expiration dates for patents, the term of a U.S. utility patent generally extends 20 years from its priority filing date, subject to adjustments and extensions.

For US Patent 9051542, the following details are available:

• Patent Term Adjustments (PTA): The patent was granted on June 9, 2015, from an application filed on March 19, 2010. PTA is granted to compensate for administrative delays by the USPTO during patent prosecution (e.g., delays in issuing office actions, responding to replies, or issuing the patent). The specific amount of PTA for US9051542 is not directly stated in the provided search results, and would typically be listed on the patent itself or in its prosecution history on the USPTO Patent Center.
• Patent Term Extensions (PTE): PTE is awarded to compensate for delays incurred in obtaining regulatory approval for a patented product or its methods of manufacturing or use. There is no information in the provided search results to indicate that US9051542 received any PTE.
• Continuation Applications: The patent states in its "Cross Reference to Related Applications" section that it is a continuation of U.S. application Ser. No. 11/141,996, which subsequently issued as U.S. Pat. No. 7,704,721.
• Divisional Applications: The provided information does not explicitly mention any divisional applications of US9051542.
• Related Family Members:
  • US Pat. No. 7,704,721 (U.S. application Ser. No. 11/141,996) is a direct parent of US9051542.
  • The application for US9051542 (U.S. application Ser. No. 12/661,553) also claims benefit of provisional applications 60/575,997 filed June 1, 2004, and 60/639,222 filed December 22, 2004.
  • The Google Patents entry also lists other versions of the patent, including US20110076744A1, and related priority applications US14/702,008 and US15/287,037.
• Projected Expiration Date: The patent is currently "Expired Due to Failure to Pay Maintenance Fees" as per the USPTO. While the Google Patents entry previously listed an "Anticipated expiration" date of 2025-06-01, this is now superseded by the actual expired status. The original 20-year term for a patent is calculated from its earliest priority filing date (June 1, 2004, for the provisional application), which would have been June 1, 2024, without any adjustments or extensions. However, as stated, the patent has already expired due to maintenance fee non-payment.