Term ended Dec 30, 2025 · High confidence
20-year base term ended Dec 30, 2025
Held by MOSAID Technologies Inc.
Filed Oct 19, 2006 as application 11/583,354 · Granted Apr 7, 2009
Base term, 20 years from filing
Today
Term ended Dec 30, 2025
2005
2026
Clock starts
Dec 30, 2005
Dec 30, 2005
Term ended
Dec 30, 2025
Dec 30, 2025
Granted
Apr 7, 2009
Apr 7, 2009
base term
after the term ends
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
33
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. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 30, 2005, when application 11/324,023, the earliest non-provisional in its chain, was filed (this one was filed Oct 19, 2006) | Dec 30, 2025 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Dec 30, 2025 | High confidence |
This family
| US 7,652,922 | In force Jul 2027 | Jul 2027 |
| US 7,810,089 | In force May 2029 | May 2029 |
| Application 11/496,278 | Abandoned not computed | not computed |
| US 7,515,471 | this patent Dec 2025 | Dec 2025 |
| US 9,240,227 | Term ended Dec 2025 | Dec 2025 |
| Application 11/639,375 | Abandoned not computed | not computed |
| US 7,747,833 | In force Mar 2027 | Mar 2027 |
| US 7,719,892 | Term ended Dec 2025 | Dec 2025 |
8 of 33 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Mar 8, 2007 Reel 18991, frame 829 | Oh, Hakjune; Pyeon, Beom Hong; Kim, Jin-ki | MOSAID Technologies Incorporated | Assignment of Assignor's Interest |
| Jul 10, 2008 Reel 21221, frame 610 | Kim, Jin-Ki, MR. | MOSAID Technologies Incorporated | Assignment of Assignor's Interest |
| Jul 24, 2008 Reel 21285, frame 963 | Oh, Hakjune, MR. | MOSAID Technologies Incorporated | Assignment of Assignor's Interest |
| Jul 31, 2008 Reel 21323, frame 961 | Pyeon, Hong-Boem, MR. | MOSAID Technologies Incorporated | Assignment of Assignor's Interest |
| Apr 15, 2009 Reel 22542, frame 876 | MOSAID Technologies Incorporated | MOSAID Technologies Incorporated | Change of Address of Assignee |
| 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 54295, frame 624 | Cppib Credit Investments Inc. | Conversant Intellectual Property Management Inc. | Release of Security Interest |
| Jun 16, 2021 Reel 56602, frame 990 | Conversant Intellectual Property Management Inc. | MOSAID Technologies Inc. | 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.
Citations
95
later US patents cite this one
That is top 10% of utility patents granted in 2009 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.