Term ends Jan 29, 2027 · High confidence
20-year base term ended Nov 10, 2023
Held by Zxibix, Inc.
Filed Mar 18, 2014 as application 14/217,471 · Granted Aug 27, 2019
Base term plus 1176 days of patent term adjustment (USPTO delay)
Today
2003
2027
Clock starts
Nov 10, 2003
Nov 10, 2003
Term ends
Jan 29, 2027
Jan 29, 2027
Granted
Aug 27, 2019
Aug 27, 2019
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
1,176
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 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
36
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 1176 days past its 20-year base term on prosecution delay. 1 of 1 maintenance fees is 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 Nov 10, 2003, when applications 10/704,897, 10/705,651, 10/705,654 and PCT/US2003/035716, the earliest non-provisional applications in its chain, were filed (this one was filed Mar 18, 2014) | Nov 10, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1176 days, USPTO patent term adjustment record | Jan 29, 2027 | 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 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 29, 2027 | High confidence |
This family
| US 7,197,488 | Term ended no later than Dec 2024 | no later than Dec 2024 |
| Application PCT/US2003/035716 | PCT application no patent term | no patent term |
| US 7,203,667 | Term ended no later than Dec 2024 | no later than Dec 2024 |
| US 7,225,175 | Term ended no later than Sep 2024 | no later than Sep 2024 |
| US 7,143,074 | Term ended Nov 2023 | Nov 2023 |
| US 7,349,888 | Term ended no later than Nov 2023 | no later than Nov 2023 |
| US 7,260,561 | Term ended no later than Nov 2023 | no later than Nov 2023 |
| US 7,730,009 | Term ended Nov 2024 | Nov 2024 |
8 of 36 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 |
|---|---|---|---|
| Apr 19, 2014 Reel 32713, frame 248 | Higgins, Linda Shawn; Heidenreich, James Ralph | Zxibix Inc. | Assignment of Assignor's Interest |
| Oct 25, 2020 Reel 54203, frame 89 | Zxibix Inc. | Zxibix Inc. | Notification of Current Address for Assignee |
| Jun 25, 2026 Reel 75818, frame 369 | Higgins, Linda S, MS.; Heidenreich, James R, MR. | Zxibix, Inc. | Assignment of Assignor's Interest |
| Jul 9, 2026 Reel 75227, frame 476 | Heidenreich, James R, MR.; Higgins, Linda S, MS. | Zxibix, 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
Jan 2027
Term ends Jan 29, 2027. No further fees fall due before then
Note
The 1176 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is top 25% of utility patents granted in 2019 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.