Also listed on Technology Holding Company II, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 30, 2026 · High confidence
20-year base term ended Jan 18, 2025
Held by Teleflex Life Sciences LLC
Filed Jan 18, 2005 as application 11/038,347 · Granted Sep 29, 2009
Base term plus 711 days of patent term adjustment (USPTO delay)
Today
2005
2026
Clock starts
Jan 18, 2005
Jan 18, 2005
Term ends
Dec 30, 2026
Dec 30, 2026
Granted
Sep 29, 2009
Sep 29, 2009
base term
patent term adjustment
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
711
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.
This patent's term runs 711 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 Jan 18, 2005, when this application, 11/038,347, was filed | Jan 18, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +711 days, USPTO patent term adjustment record | Dec 30, 2026 | 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 | Dec 30, 2026 | High confidence |
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 |
|---|---|---|---|
| Jan 18, 2005 Reel 16197, frame 695 | Burk, Marc Alan | Hudson Respiratory Care Inc. | Assignment of Assignor's Interest |
| Jun 2, 2009 Reel 22767, frame 247 | Hudson Respiratory Care, Inc. | Teleflex Medical Incorporated | Change of Name |
| Dec 30, 2009 Reel 23708, frame 816 | Teleflex Medical Incorporated (a California Corporation) | Technology Holding Company II (a Delaware Corporation) | Assignment of Assignor's Interest |
| Feb 21, 2017 Reel 41760, frame 414 | Technology Holding Company II | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Jul 24, 2019 Reel 49851, frame 832 | Technology Holding Company II | Teleflex Medical Incorporated | Merger |
| Oct 3, 2019 Reel 50620, frame 904 | Teleflex Medical Incorporated | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Nov 10, 2025 Reel 73211, frame 108 | Teleflex Medical Incorporated | Teleflex Medical LLC | Certificate of Conversion |
| Jun 23, 2026 Reel 75056, frame 85 | Teleflex Medical LLC | Teleflex Life Sciences LLC | Assignment of Assignor's Interest |
| Jul 24, 2026 Reel 76062, frame 566 | JPMorgan Chase Bank , N.A., as Administrative Agent | Teleflex Medical LLC | Release of Security Interest in Patents at Reel/Frame 50620/0904 |
| Jul 24, 2026 Reel 76062, frame 932 | JPMorgan Chase Bank , N.A., as Administrative Agent | Teleflex Medical LLC | Release of Security Interest in Patents at Reel/Frame 41760/0414 |
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
Dec 2026
Term ends Dec 30, 2026. No further fees fall due before then
Note
The 711 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
37
later US patents cite this one
That is top 25% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.