Term ends May 13, 2028 · High confidence
20-year base term ends May 13, 2028
Held by Samsung Electronics Co., Ltd.
Filed Jul 12, 2010 as application 12/834,747 · Granted Apr 24, 2012
Base term, 20 years from filing
Today
2008
2028
Clock starts
May 13, 2008
May 13, 2008
Term ends
May 13, 2028
May 13, 2028
Granted
Apr 24, 2012
Apr 24, 2012
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.
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.
6
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 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 May 13, 2008, when application 12/120,051, the earliest non-provisional in its chain, was filed (this one was filed Jul 12, 2010) | May 13, 2028 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | May 13, 2028 | High confidence |
This family
| US 7,781,780 | In force May 2028 | May 2028 |
| Application PCT/US2009/038695 | PCT application no patent term | no patent term |
| US 8,163,578 | this patent May 2028 | May 2028 |
| US 8,168,984 | In force May 2028 | May 2028 |
| US 8,691,606 | In force May 2028 | May 2028 |
| US 9,437,776 | In force May 2028 | May 2028 |
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 |
|---|---|---|---|
| Sep 22, 2010 Reel 25031, frame 599 | Lin, Chao-kun; Liu, Heng | Bridgelux, Inc. | Assignment of Assignor's Interest |
| Nov 12, 2012 Reel 29281, frame 844 | Bridgelux, Inc. | White Oak Global Advisors, LLC, as Collateral Agent | Security Agreement |
| May 22, 2013 Reel 30466, frame 93 | White Oak Global Advisors, LLC, as Collateral Agent | Bridgelux, Inc. | Release of Security Interest |
| Jul 1, 2013 Reel 30724, frame 395 | Bridgelux, Inc. | Toshiba Techno Center Inc. | Assignment of Assignor's Interest |
| Sep 22, 2014 Reel 33787, frame 733 | Toshiba Techno Center Inc. | Manutius IP, Inc. | Assignment of Assignor's Interest |
| Apr 20, 2016 Reel 38334, frame 444 | Manutius IP, Inc. | Toshiba Corporation | Assignment of Assignor's Interest |
| Jul 25, 2018 Reel 46450, frame 700 | Toshiba Corporation | Toshiba Electronic Devices & Storage Corporation | Assignment of Assignor's Interest |
| Aug 30, 2018 Reel 46986, frame 159 | Toshiba Electronic Devices & Storage Corporation | Samsung Electronics Co., Ltd. | Assignment of Assignor's Interest |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2028
Term ends May 13, 2028. No further fees fall due before then
Citations
14
later US patents cite this one
That is above the median of utility patents granted in 2012 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.