Term ended Feb 25, 2023 · Medium confidence
20-year base term ended Jan 17, 2023
Why Medium: A parent in the chain could not be resolved.
Held by Topgolf International, Inc.
Filed Sep 12, 2011 as application 13/230,779 · Granted Apr 23, 2013
Base term plus 39 days of patent term adjustment (USPTO delay)
Today
Term ended Feb 25, 2023
2003
2026
Clock starts
Jan 17, 2003
Jan 17, 2003
Term ended
Feb 25, 2023
Feb 25, 2023
Granted
Apr 23, 2013
Apr 23, 2013
base term
patent term adjustment
after the term ends
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
39
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.
4
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 39 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jan 17, 2003, when application 10/346,919, the earliest non-provisional in its chain, was filed (this one was filed Sep 12, 2011); a parent in its chain could not be resolved (the next row) | Jan 17, 2023 | 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 | +39 days, USPTO patent term adjustment record | Feb 25, 2023 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 25, 2023 | Medium confidence |
This family
| US 8,002,645 | In force Aug 2027 | Aug 2027 |
| US 8,425,350 | this patent Feb 2023 | Feb 2023 |
2 of 4 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 24, 2015 Reel 36182, frame 118 | RF Corporation | Topgolf International, Inc. | Confirmatory Assignment |
| Jan 27, 2016 Reel 37596, frame 632 | Topgolf International, Inc. | Royal Bank of Canada, as Administrative Agent | Security Interest |
| Aug 26, 2016 Reel 39558, frame 119 | Topgolf International, Inc.; World Golf Tour, Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Aug 29, 2016 Reel 39568, frame 678 | Royal Bank of Canada, as Administrative Agent | Topgolf International, Inc. | Release of Security Interest |
| May 30, 2020 Reel 52795, frame 219 | Topgolf International, Inc.; World Golf Tour, LLC | Wilmington Savings Fund Society, FSB, as Purchaser Representative and Collateral Agent | Security Interest |
| Sep 24, 2020 Reel 53881, frame 417 | Wilmington Savings Fund Society, FSB | Topgolf International, Inc.; World Golf Tour, LLC | Termination and Release of Security Interest in Intellectual Property |
| Sep 24, 2020 reel/frame not recorded | Wilmington Savings Fund Society, FSB | Topgolf International, Inc. | Termination and Release of Security Interest in Intellectual Property |
| Sep 24, 2020 reel/frame not recorded | Wilmington Savings Fund Society, FSB | World Golf Tour, LLC | Termination and Release of Security Interest in Intellectual Property |
| Mar 16, 2023 Reel 63004, frame 556 | JPMorgan Chase Bank, N.A., as Administrative Agent | Topgolf International, Inc.; World Golf Tour, Inc. | Release of Security Interest |
| Mar 16, 2023 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | Topgolf International, Inc. | Release of Security Interest |
| Mar 16, 2023 reel/frame not recorded | JPMorgan Chase Bank, N.A., as Administrative Agent | World Golf Tour, Inc. | Release of Security Interest |
| May 16, 2023 Reel 63665, frame 176 | Topgolf Callaway Brands Corp. (Formerly Callaway Golf Company); Ogio International, Inc.; Topgolf International, Inc.; Travismathew, LLC; World Golf Tour, LLC | Bank of America, N.A, as Collateral Agent | Security Agreement |
| May 17, 2023 Reel 63692, frame 9 | Topgolf Callaway Brands Corp.; Ogio International, Inc.; Topgolf International, Inc.; Travismathew, LLC; World Golf Tour, LLC | Bank Of America, N.a. | Security Interest |
| Jan 2, 2026 Reel 74166, frame 66 | Bank Of America, N.a. | Topgolf International, Inc. | Partial Release (REEL 063665 / Frame 0176) |
| Jan 6, 2026 Reel 73380, frame 323 | Bank Of America, N.a. | Topgolf International, Inc. | Release of Security 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
Note
The 39 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
20
later US patents cite this one
That is above the median of utility patents granted in 2013 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.