Term ends Nov 30, 2026 · High confidence
20-year base term ends Nov 30, 2026
Filed Feb 13, 2009 as application 12/371,088 · Granted Apr 27, 2010
Base term, 20 years from filing
Today
2006
2026
Clock starts
Nov 30, 2006
Nov 30, 2006
Term ends
Nov 30, 2026
Nov 30, 2026
Granted
Apr 27, 2010
Apr 27, 2010
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,511,996, to Nov 30, 2026. The term already ends on or before that date, so the cap shortened nothing.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 30, 2006, when application 11/565,170, the earliest non-provisional in its chain, was filed (this one was filed Feb 13, 2009) | Nov 30, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,511,996) | resolves to Nov 30, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 30, 2026 | High confidence |
This family
| US 7,511,996 | In force Mar 2027 | Mar 2027 |
| US 7,706,188 | this patent Nov 2026 | Nov 2026 |
| US 8,023,321 | In force Nov 2026 | Nov 2026 |
| US 8,300,468 | In force Nov 2026 | Nov 2026 |
| Application 13/652,947 | Abandoned not computed | not computed |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Feb 17, 2009 Reel 22267, frame 29 | Kim, Jin-ki | MOSAID Technologies Incororated | Assignment of Assignor's Interest |
| Jul 20, 2009 Reel 22976, frame 291 | MOSAID Technologies Incorporated | MOSAID Technologies Incorporated | Change of Name |
| Jan 10, 2012 Reel 27512, frame 196 | 658276 N.B. Ltd.; 658868 N.B. Inc.; MOSAID Technologies Incorporated | Royal Bank of Canada | U.S. Intellectual Property Security Agreement (for Non-U.S. Grantors) - Short Form |
| Mar 13, 2014 Reel 32439, frame 638 | MOSAID Technologies Incorporated | Conversant Intellectual Property Management Inc. | Change of Name |
| Aug 7, 2014 Reel 33484, frame 344 | Royal Bank of Canada | Conversant Intellectual Property Management Inc.; Conversant IP N.B. 868 Inc.; Conversant IP N.B. 276 Inc. | Release of Security Interest |
| Aug 7, 2014 reel/frame not recorded | Royal Bank of Canada | Conversant Intellectual Property Management Inc. | Release of Security Interest |
| Aug 7, 2014 reel/frame not recorded | Royal Bank of Canada | Conversant IP N.B. 868 Inc. | Release of Security Interest |
| Aug 7, 2014 reel/frame not recorded | Royal Bank of Canada | Conversant IP N.B. 276 Inc. | Release of Security Interest |
| Sep 3, 2014 Reel 33678, frame 96 | Conversant Intellectual Property Management Inc. | Conversant Intellectual Property Management Inc. | Change of Address |
| Sep 9, 2014 Reel 33706, frame 367 | Conversant Intellectual Property Management Inc. | Cppib Credit Investments Inc., as Lender; Royal Bank of Canada, as Lender | U.S. Patent Security Agreement (for Non-U.S. Grantors) |
| Sep 9, 2014 reel/frame not recorded | Conversant Intellectual Property Management Inc. | Cppib Credit Investments Inc., as Lender | U.S. Patent Security Agreement (for Non-U.S. Grantors) |
| Sep 9, 2014 reel/frame not recorded | Conversant Intellectual Property Management Inc. | Royal Bank of Canada, as Lender | U.S. Patent Security Agreement (for Non-U.S. Grantors) |
| Aug 22, 2018 Reel 46900, frame 136 | Conversant Intellectual Property Management Inc. | Cppib Credit Investments, Inc. | Amended and Restated U.S. Patent Security Agreement (for Non-U.S. Grantors) |
| Oct 12, 2018 Reel 47645, frame 424 | Royal Bank of Canada, as Lender | Conversant Intellectual Property Management Inc. | Release of U.S. Patent Agreement (for Non-U.S. Grantors) |
| Nov 3, 2020 Reel 54310, frame 421 | Cppib Credit Investments Inc. | Conversant Intellectual Property Management Inc. | Release of Security Interest |
| Oct 19, 2021 Reel 57857, frame 193 | Conversant Intellectual Property Inc. | MOSAID Technologies Incorporated | Change of Name |
| Aug 28, 2023 Reel 64741, frame 939 | Conversant Intellectual Property Management Inc. | MOSAID Technologies Incorporated | Corrective Assignment to Correct the Conveying Party's Name Previously Recorded at Reel: 057857 Frame: 0193. Assignor(S) Hereby Confirms the Change of Name. |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
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Alerts on its grants, lapses and transfers.
What's changing
Nov 2026
Term ends Nov 30, 2026. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,511,996, ends no earlier than this term, so it caps nothing.
Citations
17
later US patents cite this one
That is above the median of utility patents granted in 2010 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.