Collateral for a security interest recorded Jan 29, 2019 (Venture Lending & Leasing VIII, Inc.).
Term ends Oct 27, 2037 · High confidence
20-year base term ends Jun 16, 2037
Held by Platform Science, Inc.
Filed Dec 30, 2017 as application 15/859,380 · Granted Nov 12, 2019
Base term plus 133 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Jun 16, 2017
Jun 16, 2017
Term ends
Oct 27, 2037
Oct 27, 2037
Granted
Nov 12, 2019
Nov 12, 2019
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
133
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.
66
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 133 days past its 20-year base term on prosecution delay. 1 of 3 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 Jun 16, 2017, when application 15/624,814, the earliest non-provisional in its chain, was filed (this one was filed Dec 30, 2017) | Jun 16, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +133 days, USPTO patent term adjustment record | Oct 27, 2037 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Oct 27, 2037 | High confidence |
This family
| US 9,961,710 | In force Jun 2037 | Jun 2037 |
| US 10,475,258 | this patent Oct 2037 | Oct 2037 |
| US 10,070,471 | In force Jun 2037 | Jun 2037 |
| US 10,334,638 | In force Jun 2037 | Jun 2037 |
| US 10,652,935 | In force Jun 2037 | Jun 2037 |
| US 10,917,921 | In force Sep 2037 | Sep 2037 |
| US 10,930,091 | In force Sep 2037 | Sep 2037 |
| US 10,803,682 | In force Jun 2037 | Jun 2037 |
8 of 66 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 |
|---|---|---|---|
| Dec 30, 2017 Reel 44509, frame 538 | Son, Don; Kopchinsky, Scott; Kennedy, John C.; Fields, Jacob | Platform Science, Inc. | Assignment of Assignor's Interest |
| Feb 14, 2018 Reel 45338, frame 646 | Son, Don; Kopchinsky, Scott; Kennedy, John C.; Fields, Jacob | Platform Science, Inc. | Assignment of Assignor's Interest |
| Jan 29, 2019 Reel 48167, frame 816 | Platform Science, Inc. | Venture Lending & Leasing IX, Inc.; Venture Lending & Leasing VIII, Inc. | Security Interest |
| Jan 29, 2019 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Security Interest |
| Jan 29, 2019 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing VIII, Inc. | Security Interest |
| Mar 27, 2025 Reel 70809, frame 180 | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Corrective Assignment to Correct the Application Numbers Previously Recorded at Reel: 53700 Frame: 301. Assignor(S) Hereby Confirms the Security Interest. |
| Mar 31, 2025 Reel 70689, frame 439 | Platform Science, Inc. | Venture Lending & Leasing IX, Inc.; Wti Fund X, Inc. | Corrective Assignment to Correct the the Erroneously Recorded Patent Application Numbers Previously Recorded at Reel: 61172 Frame: 822. Assignor(S) Hereby Confirms the Assignment. |
| Mar 31, 2025 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Corrective Assignment to Correct the the Erroneously Recorded Patent Application Numbers Previously Recorded at Reel: 61172 Frame: 822. Assignor(S) Hereby Confirms the Assignment. |
| Mar 31, 2025 reel/frame not recorded | Platform Science, Inc. | Wti Fund X, Inc. | Corrective Assignment to Correct the the Erroneously Recorded Patent Application Numbers Previously Recorded at Reel: 61172 Frame: 822. Assignor(S) Hereby Confirms the Assignment. |
| Apr 14, 2025 Reel 70837, frame 838 | Platform Science, Inc. | Venture Lending & Leasing VIII, Inc.; Venture Lending & Leasing IX, Inc. | Corrective Assignment to Correct the the Application Number 10070471 to a Patent Number 10070471 Previously Recorded at Reel: 48167 Frame: 816. Assignor(S) Hereby Confirms the Assignment. |
| Apr 14, 2025 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing VIII, Inc. | Corrective Assignment to Correct the the Application Number 10070471 to a Patent Number 10070471 Previously Recorded at Reel: 48167 Frame: 816. Assignor(S) Hereby Confirms the Assignment. |
| Apr 14, 2025 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Corrective Assignment to Correct the the Application Number 10070471 to a Patent Number 10070471 Previously Recorded at Reel: 48167 Frame: 816. Assignor(S) Hereby Confirms the Assignment. |
| Apr 30, 2025 Reel 70992, frame 273 | Venture Lending & Leasing VIII, LLC; Venture Lending & Leasing IX, Inc. | Platform Science, Inc. | Release of Security Interest |
| May 1, 2025 Reel 71003, frame 495 | Venture Lending & Leasing IX, Inc. | Platform Science, Inc. | Release of Security Interest |
| May 2, 2025 Reel 71010, frame 635 | Wti Fund X, Inc.; Venture Lending & Leasing IX, Inc. | Platform Science, 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
Oct 2037
Term ends Oct 27, 2037. Maintenance fees still fall due before then
Note
The 133 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
25
later US patents cite this one
That is top 10% 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.