Collateral for a security interest recorded Jan 29, 2019 (Venture Lending & Leasing VIII, Inc.).
Term ends Jun 16, 2037 · High confidence
20-year base term ends Jun 16, 2037
Held by Platform Science, Inc.
Filed Jun 16, 2017 as application 15/624,814 · Granted May 1, 2018
Base term, 20 years from filing
Today
2017
2037
Clock starts
Jun 16, 2017
Jun 16, 2017
Term ends
Jun 16, 2037
Jun 16, 2037
Granted
May 1, 2018
May 1, 2018
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are 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 this application, 15/624,814, was filed | Jun 16, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Jun 16, 2037 | High confidence |
This family
| US 9,961,710 | this patent Jun 2037 | Jun 2037 |
| US 10,475,258 | In force 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 |
|---|---|---|---|
| Jun 16, 2017 Reel 42729, frame 916 | 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 |
| Sep 4, 2020 Reel 53700, frame 301 | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Security Interest |
| Sep 21, 2022 Reel 61172, frame 822 | Platform Science, Inc. | Venture Lending & Leasing IX, Inc.; Wti Fund X, Inc. | Security Interest |
| Sep 21, 2022 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Security Interest |
| Sep 21, 2022 reel/frame not recorded | Platform Science, Inc. | Wti Fund X, 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 |
| Apr 13, 2026 Reel 76670, frame 490 | Platform Science, Inc. | Venture Lending & Leasing IX, Inc.; Wti Fund X, Inc. | Corrective Assignment to Correct the Property Type from Application Number 10803682 to Patent Number 10803682 Previously Recorded on Reel 61172 Frame 822. Assignor(S) Hereby Confirms the Security Interest.. |
| Apr 13, 2026 reel/frame not recorded | Platform Science, Inc. | Venture Lending & Leasing IX, Inc. | Corrective Assignment to Correct the Property Type from Application Number 10803682 to Patent Number 10803682 Previously Recorded on Reel 61172 Frame 822. Assignor(S) Hereby Confirms the Security Interest.. |
| Apr 13, 2026 reel/frame not recorded | Platform Science, Inc. | Wti Fund X, Inc. | Corrective Assignment to Correct the Property Type from Application Number 10803682 to Patent Number 10803682 Previously Recorded on Reel 61172 Frame 822. Assignor(S) Hereby Confirms the 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jun 2037
Term ends Jun 16, 2037. Maintenance fees still fall due before then
Citations
42
later US patents cite this one
That is top 10% of utility patents granted in 2018 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.