Term ends May 13, 2031 · High confidence
20-year base term ends May 13, 2031
Held by Broncus Medical Inc.
Filed May 11, 2012 as application 13/470,069 · Granted Nov 8, 2016
Base term, 20 years from filing
Today
2011
2031
Clock starts
May 13, 2011
May 13, 2011
Term ends
May 13, 2031
May 13, 2031
Granted
Nov 8, 2016
Nov 8, 2016
base term
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.
2 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.
12
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. 2 of 3 maintenance fees are paid so far. 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, 2011, when applications 13/107,720 and 13/107,759, the earliest non-provisional applications in its chain, were filed (this one was filed May 11, 2012) | May 13, 2031 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 13, 2031 | High confidence |
This family
| US 8,709,034 | In force Oct 2031 | Oct 2031 |
| Application 13/107,759 | Abandoned not computed | not computed |
| Application PCT/US2012/037614 | PCT application no patent term | no patent term |
| Application PCT/US2012/037470 | PCT application no patent term | no patent term |
| Application PCT/US2012/037551 | PCT application no patent term | no patent term |
| US 9,345,532 | In force Nov 2032 | Nov 2032 |
| US 9,486,229 | this patent May 2031 | May 2031 |
| US 8,932,316 | In force May 2031 | May 2031 |
8 of 12 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 |
|---|---|---|---|
| Sep 16, 2013 Reel 31218, frame 227 | Broncus Medical Inc. | Lifetech Scientific (Hong Kong) Co., Ltd.; Dinova Venture Partners LP II, L.P.; Tip-Broncus Limited | Security Agreement |
| Sep 16, 2013 reel/frame not recorded | Broncus Medical Inc. | Lifetech Scientific (Hong Kong) Co., Ltd. | Security Agreement |
| Sep 16, 2013 reel/frame not recorded | Broncus Medical Inc. | Dinova Venture Partners LP II, L.P. | Security Agreement |
| Sep 16, 2013 reel/frame not recorded | Broncus Medical Inc. | Tip-Broncus Limited | Security Agreement |
| Jan 9, 2014 Reel 31960, frame 567 | Broncus Medical Inc. | Lifetech Scientific (Hong Kong) Co., Ltd.; Dinova Venture Partners LP II, L.P.; Tip-Broncus Limited; Aether Corporate Limited | Security Agreement |
| Jan 9, 2014 reel/frame not recorded | Broncus Medical Inc. | Lifetech Scientific (Hong Kong) Co., Ltd. | Security Agreement |
| Jan 9, 2014 reel/frame not recorded | Broncus Medical Inc. | Dinova Venture Partners LP II, L.P. | Security Agreement |
| Jan 9, 2014 reel/frame not recorded | Broncus Medical Inc. | Tip-Broncus Limited | Security Agreement |
| Jan 9, 2014 reel/frame not recorded | Broncus Medical Inc. | Aether Corporate Limited | Security Agreement |
| May 23, 2014 Reel 33012, frame 784 | Lifetech Scientific (Hong Kong) Co., Ltd.; Dinova Venture Partners LP II, L.P.; Tip-Broncus Limited; Aether Corporate Limited | Broncus Medical Inc. | Release of Security Interest |
| Nov 25, 2014 Reel 34263, frame 455 | Laufer, Michael D. | Broncus Technologies, Inc. | Assignment of Assignor's Interest |
| Nov 25, 2014 Reel 34263, frame 886 | Broncus Technologies, Inc. | Broncus Medical Inc. | 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 2031
Term ends May 13, 2031. Maintenance fees still fall due before then
Citations
34
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.