Lapsed May 16, 2025 on the fee record · High confidence
20-year base term ends Feb 15, 2034
Second maintenance fee unpaid; grace period ended.
Held by DMZ Global LLC
Filed Feb 15, 2014 as application 14/181,636 · Granted May 16, 2017
Base term, 20 years from filing, plus 63 days of patent term adjustment (USPTO delay)
Today
Lapsed May 16, 2025
2014
2034
Clock starts
Feb 15, 2014
Feb 15, 2014
No longer in force
May 16, 2025
May 16, 2025
Granted
May 16, 2017
May 16, 2017
Term would have run to
Apr 19, 2034
Apr 19, 2034
base term
patent term adjustment
after the term ends
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
63
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 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.
52
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 Apr 19, 2034: its 20-year base term plus 63 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 Feb 15, 2014, when this application, 14/181,636, was filed | Feb 15, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +63 days, USPTO patent term adjustment record | Apr 19, 2034 | 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 3 maintenance fees paid | lapsed May 16, 2025 | High confidence |
| Computed term end | The steps above, in order | May 16, 2025 | High confidence |
This family
| US 6,450,836 | Term ended May 2021 | May 2021 |
| US 6,648,683 | Term ended May 2022 | May 2022 |
| US 6,712,631 | Term ended Dec 2022 | Dec 2022 |
| US 7,404,737 | In force May 2027 | May 2027 |
| US 7,837,501 | In force Mar 2029 | Mar 2029 |
| US 9,039,446 | In force Jun 2033 | Jun 2033 |
| Application PCT/US2013/045233 | PCT application no patent term | no patent term |
| US 9,654,062 | this patent May 2025 | May 2025 |
8 of 52 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 |
|---|---|---|---|
| Feb 15, 2014 Reel 32224, frame 614 | Lin, Kang; Wang, Jon-en | PCT International, Inc. | Assignment of Assignor's Interest |
| Apr 3, 2018 Reel 45427, frame 717 | PCT International, Inc. | Bibby Financial Services (CA), Inc. | Security Interest |
| Feb 16, 2022 Reel 59126, frame 491 | PCT International, Inc. | Sallyport Commercial Finance, LLC | Security Interest |
| Oct 22, 2025 Reel 73172, frame 788 | PCT International, Inc. | DMZ Global LLC | 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.
What's changing
Note
The 63 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2017 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.