Collateral for a security interest recorded Mar 9, 2009 (Hercules Technology Growth Capital, Inc.).
Term ends Mar 6, 2028 · High confidence
20-year base term ended Oct 7, 2025
Held by Transmedics, Inc.
Filed Apr 25, 2007 as application 11/790,405 · Granted Nov 6, 2012
Base term plus 881 days of patent term adjustment (USPTO delay)
Today
2005
2028
Clock starts
Oct 7, 2005
Oct 7, 2005
Term ends
Mar 6, 2028
Mar 6, 2028
Granted
Nov 6, 2012
Nov 6, 2012
base term
patent term adjustment
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
881
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
9
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 runs 881 days past its 20-year base term on 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 Oct 7, 2005, when application 11/246,902, the earliest non-provisional in its chain, was filed (this one was filed Apr 25, 2007) | Oct 7, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +881 days, USPTO patent term adjustment record | Mar 6, 2028 | 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 | Mar 6, 2028 | High confidence |
This family
| US 8,465,970 | In force no later than Feb 2028 | no later than Feb 2028 |
| US 8,304,181 | this patent Mar 2028 | Mar 2028 |
| Application PCT/US2008/061454 | PCT application no patent term | no patent term |
| US 9,894,894 | Term ended Feb 2026 | Feb 2026 |
| US 10,321,676 | Term ended no later than Oct 2025 | no later than Oct 2025 |
| US 10,736,314 | Term ended Oct 2025 | Oct 2025 |
| US 11,570,985 | Term ended Oct 2025 | Oct 2025 |
| US 12,010,987 | Term ended no later than Oct 2025 | no later than Oct 2025 |
8 of 9 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 |
|---|---|---|---|
| Aug 8, 2007 Reel 19709, frame 530 | Hassanein, Waleed; Khayal, Tamer; Elbetanony, Ahmed; Lezberg, Paul; Cecere, Giovanni; Sousa, Dennis; Hansen, Elizabeth | Transmedics, Inc. | Assignment of Assignor's Interest |
| Sep 19, 2007 Reel 19944, frame 242 | Hassanein, Waleed; Khayal, Tamer; Elbetanony, Ahmed; Lezberg, Paul; Cecere, Giovanni; Sousa, Dennis; Hansen, Elizabeth | Transmedics, Inc. | Assignment of Assignor's Interest |
| Mar 9, 2009 Reel 22367, frame 662 | Transmedics, Inc. | Hercules Technology Growth Capital, Inc. | Security Agreement |
| Apr 8, 2011 Reel 26101, frame 20 | Transmedics, Inc. | Hercules Technology Growth Capital, Inc. | Patent Grant of Security Interest |
| Jun 22, 2018 Reel 46176, frame 714 | Hercules Capital, Inc. (F/K/A Hercules Technology Growth Capital, Inc.) | Transmedics, Inc. | Release of Security Interest |
| Jun 22, 2018 Reel 46179, frame 223 | Transmedics, Inc. | Orbimed Royalty Opportunities II, LP | Security Interest |
| Jul 25, 2022 Reel 60610, frame 23 | Orbimed Royalty Opportunities II, LP | Transmedics, Inc. | Release of Security Interest |
| Jul 29, 2022 Reel 60677, frame 520 | Transmedics, Inc. | Canadian Imperial Bank of Commerce | Security 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
Mar 2028
Term ends Mar 6, 2028. No further fees fall due before then
Note
The 881 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
154
later US patents cite this one
That is top 5% 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.