Extensions — US Patent 11991601

Based on a technical analysis of US Patent 11,991,601, here are the details regarding its term, related applications, and patent family.

Patent Term and Expiration

Patent Term Adjustment (PTA) / Patent Term Extension (PTE): The provided record for US Patent 11,991,601 does not indicate any Patent Term Adjustment (PTA) or Patent Term Extension (PTE). The patent's term is determined by its priority filings.
Projected Expiration Date: The anticipated expiration date for US Patent 11,991,601 is July 18, 2028. This date is calculated as 20 years from the filing date of the earliest relevant international application, PCT/AU2008/001043, which was filed on July 18, 2008. This expiration date is noted in the "Legal events" section of the patent record (Source: https://patents.google.com/patent/[US11991601](/patent/US11991601)/en).

Continuation and Divisional History

US Patent 11,991,601 is part of a long and complex chain of continuation applications. The patent itself is a continuation of a prior application, which is a continuation of another, and so on. This history demonstrates a strategy of continuing to pursue claims related to the original invention.

The direct parent of this patent is:

U.S. Application No. 18/207,802, filed on June 9, 2023 (now US Patent 11,871,306).

This chain of applications traces back through more than a dozen predecessor applications to PCT Application No. PCT/AU2008/001043, which claims priority from Australian Patent Application No. 2007903979, filed on July 24, 2007. The full lineage is detailed in the "CROSS-REFERENCE TO RELATED APPLICATIONS" section of the patent's description.

No divisional applications are explicitly identified in the provided documentation for this specific patent. The prosecution strategy appears to have relied on filing a series of continuation applications.

Patent Family Members

US Patent 11,991,601 belongs to a large family of related patents and patent applications filed in the United States and other countries, all stemming from the original 2007 Australian priority document.

Selected U.S. Family Members (Granted Patents):

International Family Members:

The patent family also includes filings in other jurisdictions, including:

Australia (AU): AU2008201643B1
Europe (EP): EP2177072B3
World Intellectual Property Organization (WO): WO2009012516A1

This extensive patent family indicates a broad strategy to protect the invention in multiple key markets. The full list of 26 family applications can be found in the "Family Applications" section of the patent record (Source: https://patents.google.com/patent/[US11991601](/patent/US11991601)/en).