Term ends Apr 18, 2032 · High confidence
20-year base term ends Jun 28, 2031
Held by Micro Motion, Inc.
Filed Jun 28, 2011 as application 13/135,182 · Granted Nov 10, 2015
Base term plus 295 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Jun 28, 2011
Jun 28, 2011
Term ends
Apr 18, 2032
Apr 18, 2032
Granted
Nov 10, 2015
Nov 10, 2015
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
295
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
90
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 295 days past its 20-year base term on 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 Jun 28, 2011, when this application, 13/135,182, was filed | Jun 28, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +295 days, USPTO patent term adjustment record | Apr 18, 2032 | 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 | Apr 18, 2032 | High confidence |
This family
| US 7,234,084 | Term ended Feb 2026 | Feb 2026 |
| Application PCT/US2005/004620 | PCT application no patent term | no patent term |
| US 7,847,703 | In force Jul 2029 | Jul 2029 |
| US 8,118,484 | In force Aug 2030 | Aug 2030 |
| US 8,363,580 | In force Feb 2031 | Feb 2031 |
| US 7,821,437 | In force Jun 2029 | Jun 2029 |
| US 8,085,156 | In force Jul 2030 | Jul 2030 |
| US 8,529,126 | In force Mar 2032 | Mar 2032 |
8 of 90 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 |
|---|---|---|---|
| Jun 28, 2011 Reel 26567, frame 163 | Rovner, Bruce David | Rosemount Inc. | Assignment of Assignor's Interest |
| Jun 10, 2016 Reel 38879, frame 810 | Rosemount Inc. | Micro Motion, 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
Apr 2032
Term ends Apr 18, 2032. Maintenance fees still fall due before then
Note
The 295 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
17
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.