Lapsed May 31, 2019 on the fee record · Medium confidence
20-year base term ended Jun 2, 2019
Why Medium: A parent in the chain could not be resolved.
Second maintenance fee unpaid; grace period ended.
Held by Covidien LP
Filed Mar 15, 2002 as application 10/099,634 · Granted May 31, 2011
Base term, 20 years from filing, plus 1244 days of patent term adjustment (USPTO delay)
Today
Lapsed May 31, 2019
1999
2026
Clock starts
Jun 2, 1999
Jun 2, 1999
No longer in force
May 31, 2019
May 31, 2019
Granted
May 31, 2011
May 31, 2011
Term would have run to
Oct 28, 2022
Oct 28, 2022
base term
patent term adjustment
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
1,244
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
75
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Oct 28, 2022: its 20-year base term plus 1244 days of term adjustment for prosecution delay. Confidence: Medium. 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 Jun 2, 1999, when applications 09/324,451 and 09/324,452, the earliest non-provisional applications in its chain, were filed (this one was filed Mar 15, 2002); a parent in its chain could not be resolved (the next row) | Jun 2, 2019 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +1244 days, USPTO patent term adjustment record | Oct 28, 2022 | 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 | 1 of 2 maintenance fees paid | lapsed May 31, 2019 | High confidence |
| Computed term end | The steps above, in order | May 31, 2019 | Medium confidence |
This family
| Application 60/275,869 | Pending not computed | not computed |
| US 6,981,941 | Term ended Jun 2019 | Jun 2019 |
| Application 60/285,113 | Pending not computed | not computed |
| Application 60/289,370 | Pending not computed | not computed |
| US 6,505,768 | Term ended no later than Jul 2019 | no later than Jul 2019 |
| US 7,032,798 | Term ended no later than Jun 2019 | no later than Jun 2019 |
| US 6,843,403 | Term ended no later than Jun 2019 | no later than Jun 2019 |
| US 7,951,071 | this patent May 2019 | May 2019 |
8 of 75 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 |
|---|---|---|---|
| Jul 22, 2002 Reel 13113, frame 237 | Whitman, Michael P.; Burbank, John E.; Zeichner, David A. | Power Medical Interventions, Inc. | Assignment of Assignor's Interest |
| Dec 7, 2005 Reel 16862, frame 60 | Power Medical Interventions, Inc. | General Electric Capital Corporation | Security Agreement |
| Mar 22, 2007 Reel 19047, frame 606 | General Electric Capital Corporation | Power Medical Interventions, Inc. | Release of Security Interest |
| Apr 2, 2007 Reel 19094, frame 726 | Power Medical Interventions, Inc. | The Bank of New York | Security Agreement |
| Oct 1, 2009 Reel 23312, frame 592 | Power Medical Interventions, Inc. | Power Medical Interventions, LLC | Merger |
| Nov 19, 2009 Reel 23538, frame 389 | The Bank of New York Mellon | Power Medical Interventions, LLC | Release of Security Interest |
| Mar 29, 2011 Reel 26040, frame 770 | Power Medical Interventions, LLC | Tyco Healthcare Group LP | Assignment of Assignor's Interest |
| Oct 2, 2012 Reel 29065, frame 448 | Tyco Healthcare Group LP | Covidien LP | 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
Note
The 1244 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2,309
later US patents cite this one
That is top 1% of utility patents granted in 2011 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.