Lapsed Jun 9, 2021 on the fee record · High confidence
20-year base term ended Jun 6, 2022
Third maintenance fee unpaid; grace period ended.
Held by Callaway Golf Company
Filed Jun 6, 2002 as application 10/163,979 · Granted Jun 9, 2009
Base term, 20 years from filing, plus 1012 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 9, 2021
2002
2026
Clock starts
Jun 6, 2002
Jun 6, 2002
No longer in force
Jun 9, 2021
Jun 9, 2021
Granted
Jun 9, 2009
Jun 9, 2009
Term would have run to
Mar 14, 2025
Mar 14, 2025
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
1,012
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.
60
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 Mar 14, 2025: its 20-year base term plus 1012 days of term adjustment for prosecution delay. 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 6, 2002, when this application, 10/163,979, was filed | Jun 6, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1012 days, USPTO patent term adjustment record | Mar 14, 2025 | 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 | lapsed Jun 9, 2021 | High confidence |
| Computed term end | The steps above, in order | Jun 9, 2021 | High confidence |
This family
| US 7,840,644 | In force Mar 2027 | Mar 2027 |
| US 7,151,572 | Term ended no later than Sep 2021 | no later than Sep 2021 |
| US 7,212,729 | Term ended Nov 2024 | Nov 2024 |
| US 7,545,792 | this patent Jun 2021 | Jun 2021 |
| US 7,835,620 | In force Feb 2027 | Feb 2027 |
| US 8,417,086 | Lapsed on the fee record Apr 2025 | Apr 2025 |
| US 7,212,219 | Term ended Apr 2025 | Apr 2025 |
| US 8,270,803 | Lapsed on the fee record Sep 2020 | Sep 2020 |
8 of 60 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 |
|---|---|---|---|
| Oct 28, 2002 Reel 13433, frame 241 | Sugaya, Shigeru; Suzuki, Mitsuhiro | Sony Corporation | Assignment of Assignor's Interest |
| Nov 26, 2003 Reel 14745, frame 805 | Bartels, David M. | Callaway Golf Company | 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
Note
The 1012 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2009 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.