Also listed on Lorem Vascular Pte. Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 30, 2030 · High confidence
20-year base term ends Apr 30, 2030
Held by Puregraft LLC
Filed Aug 18, 2015 as application 14/829,385 · Granted Jul 4, 2017
Base term, 20 years from filing
Today
2010
2030
Clock starts
Apr 30, 2010
Apr 30, 2010
Term ends
Apr 30, 2030
Apr 30, 2030
Granted
Jul 4, 2017
Jul 4, 2017
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,133,431, to Apr 30, 2030. The term already ends on or before that date, so the cap shortened nothing.
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.
2
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Apr 30, 2010, when application 12/771,985, the earliest non-provisional in its chain, was filed (this one was filed Aug 18, 2015) | Apr 30, 2030 | 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 | Disclaimer resolved from the filed document (refs US 9,133,431) | resolves to Apr 30, 2030, no earlier than this term, so no change | 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 | Apr 30, 2030 | High confidence |
This family
| US 9,133,431 | In force Apr 2030 | Apr 2030 |
| US 9,695,398 | this patent Apr 2030 | Apr 2030 |
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 |
|---|---|---|---|
| May 31, 2017 Reel 42549, frame 229 | Peterson, Alvin E.; Fornace, Lucas V. | Cytori Therapeutics, Inc. | Assignment of Assignor's Interest |
| May 31, 2017 Reel 42549, frame 302 | Cytori Therapeutics, Inc. | Bimini Technologies LLC | Assignment of Assignor's Interest |
| Apr 11, 2019 Reel 48861, frame 926 | Bimini Technology LLC | Puregraft LLC | Assignment of Assignor's Interest |
| Sep 24, 2019 Reel 50481, frame 43 | Bimini Technologies LLC | Puregraft LLC | Corrective Assignment to Correct the Conveying Party Name Previously Recorded at Reel: 48861 Frame: 926. Assignor(S) Hereby Confirms the Assignment. |
| Oct 14, 2019 Reel 50724, frame 450 | Cytori Therapeutics, Inc. | Lorem Vascular Pte. Ltd. | Confirmatory Assignment |
| Oct 29, 2019 Reel 50852, frame 910 | Cytori Therapeutics, Inc. | Bimini Technologies LLC | Conditional Assignment |
| Nov 1, 2019 Reel 50888, frame 878 | Bimini Technologies LLC | Puregraft 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
Apr 2030
Term ends Apr 30, 2030. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,133,431, ends no earlier than this term, so it caps nothing.
Citations
5
later US patents cite this one
That is above 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.