Extensions

To provide a comprehensive analysis of US Patent 9900249, I will gather information directly from the USPTO database.

Here's a breakdown of the requested details for US Patent 9900249:

Patent Term Adjustments (PTA)

Patent Term Adjustment (PTA) can extend the term of a U.S. patent to compensate for certain delays caused by the USPTO during the patent prosecution process. This adjustment is added to the standard 20-year lifespan of a utility or plant patent from its earliest non-provisional filing date. Delays that can trigger PTA include the USPTO failing to:

• Issue an office action within 14 months after application filing.
• Respond to an applicant's reply or an appeal within four months.
• Act on an application within four months after a decision by the Patent Trial and Appeal Board (PTAB) or a federal court.
• Issue a patent within four months after payment of an issue fee.
• Issue a patent within 36 months from the filing date of an application.

The specific PTA for US Patent 9900249 would be indicated in its Issue Notification Letter. To determine the precise PTA, an direct examination of the patent's official USPTO records would be required.

Patent Term Extensions (PTE)

Patent Term Extension (PTE) is available under the Hatch-Waxman Act (35 U.S.C. § 156) and is primarily for patents claiming products, methods of using, or manufacturing products that require regulatory approval, such as human and veterinary pharmaceuticals, food additives, color additives, and medical devices. The purpose of PTE is to restore a portion of the patent term lost during the regulatory review and approval process by agencies like the FDA.

Given that US Patent 9900249 relates to a "Communication system, forwarding node, path management server, communication method, and program," it is highly unlikely to be eligible for Patent Term Extension, as its subject matter does not fall within the categories of products requiring regulatory approval that PTE is designed to compensate.

Continuation and Divisional Applications

The provided patent text explicitly states: "This application is a Continuation Application of U.S. patent application Ser. No. 13/176,610, filed on Jul. 5, 2011, which in turn is a Continuation Application of International Patent Application No. PCT/JP2010/065712, filed on Sep. 13, 2010, and claims priority to Japanese Patent Application No. 2009-212221, filed on Sep. 14, 2009, all of which are incorporated herein by reference in their entireties."

Therefore:

• US Patent 9900249 is a Continuation Application of U.S. patent application Ser. No. 13/176,610.
• U.S. patent application Ser. No. 13/176,610 is a Continuation Application of International Patent Application No. PCT/JP2010/065712.
• The international application claims priority to Japanese Patent Application No. 2009-212221.

No information about divisional applications for US Patent 9900249 is provided in the text.

Related Family Members

Based on the information provided, the following are related family members:

• Parent Application: U.S. patent application Ser. No. 13/176,610 (filed on Jul. 5, 2011).
• Grandparent Application: International Patent Application No. PCT/JP2010/065712 (filed on Sep. 13, 2010).
• Priority Application: Japanese Patent Application No. 2009-212221 (filed on Sep. 14, 2009).
• Published US Application: US20140219281A1 [cite: The Google Patents page for US9900249B2] (published 2014-08-07). This is the published application for US14/244,701, which led to US9900249.

Projected Expiration Date

The normal patent term for utility patents in the United States is 20 years from the earliest claimed non-provisional filing date. The application that matured into US9900249 was filed on April 3, 2014. Therefore, the base expiration date would typically be April 3, 2034.

However, the Google Patents page indicates an "Anticipated expiration" date of 2030-09-13. [cite: The Google Patents page for US9900249B2] This earlier expiration date strongly suggests that a terminal disclaimer was filed during prosecution, likely to overcome a double patenting rejection with a related patent that has an earlier expiration date due to its own filing or priority history. The priority date of September 14, 2009, from the Japanese application, is also relevant.

Without access to the full prosecution history from the USPTO, the exact reason for the 2030-09-13 expiration date cannot be definitively stated, but a terminal disclaimer is the most probable cause.