Extensions

For US patent 8073681, here's a detailed breakdown of its patent term adjustments, extensions, related applications, and projected expiration date based on the available information:

Patent Term Adjustment (PTA)

US patent 8073681 received a Patent Term Adjustment (PTA) of 1217 days. This adjustment is granted to compensate patent holders for delays caused by the USPTO during the patent prosecution process, ensuring the patentee receives a full 20-year term from the earliest filing date.

Patent Term Extension (PTE)

There is no indication in the provided information that US patent 8073681 has received a Patent Term Extension (PTE). PTEs are typically granted for patents covering pharmaceutical products, medical devices, food additives, or color additives to compensate for time lost during premarket regulatory review by agencies like the FDA.

Continuation Applications

US patent 8073681 has at least one identified continuation application:

• US13/251,712: Filed on October 3, 2011, and titled "System and method for a cooperative conversational voice user interface," this application claims priority from the same priority date as US8073681 (October 16, 2006). This application later issued as US Patent No. 8,515,765.

The Google Patents entry also lists several other applications with priority dates related to US8073681, which could be continuations, continuations-in-part, or divisionals, though their specific relationship to US8073681 (e.g., direct continuation) isn't always explicitly detailed as such in the provided snippets:

• US13/987,645 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2013-08-19)
• US14/691,445 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2015-04-20)
• US16/416,884 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2019-05-20)
• US16/417,178 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2019-05-20)
• US16/417,173 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2019-05-20)
• US16/555,125 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2019-08-29)
• US17/000,502 (Priority to US11/580,926: 2006-10-16, Priority to US13/251,712: 2011-10-03, Filing date: 2020-08-24)

Divisional Applications

The provided information does not explicitly identify any divisional applications for US patent 8073681. Divisional applications typically arise when an applicant elects to pursue different inventions disclosed in an original application in separate patents.

Related Family Members

US8073681 is related to a patent family that includes international applications and other US patents. Some of these family members, or patents that claim priority from the same foundational application (US11/580,926), include:

• US20080091406A1: The original publication of the application for US8073681.
• EP20070873538 (priority date 2007-10-16)
• PCT/US2007/081481 (priority date 2007-10-16)
• CN2007800423150A (priority date 2007-10-16)
• US Pat. No. 7,634,409: Cited within US8073681 as related to speech recognition techniques.
• US Pat. No. 7,640,160: Cited within US8073681 as related to context determination.
• U.S. patent application Ser. No. 11/212,693 (which issued as US Pat. No. 7,774,204): Cited within US8073681 as related to mobile systems and natural language human-machine interactions.
• US Pat. No. 8,515,765: A continuation of US8073681's application.
• Other applications listed under the "Priority to US11/580,926" and "Priority to US13/251,712" sections in Google Patents are also related family members, indicating the patent owner's strategy to maintain a broad portfolio around this core invention.

Projected Expiration Date

The original patent term for US patent 8073681 would have been 20 years from its filing date of October 16, 2006, which would be October 16, 2026.

However, due to the 1217 days of Patent Term Adjustment, the adjusted expiration date for US8073681 is February 14, 2030.