Term ends Apr 29, 2029 · High confidence

Computed 20-year base term

Held by Braincool AB

Filed Mar 19, 2012 as application 13/423,561 · Granted Jun 7, 2016

Base term plus 1085 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Apr 29, 2029

2006 2029

Clock starts
May 10, 2006

Term ends
Apr 29, 2029

Granted
Jun 7, 2016

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

1,085

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.

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 1085 days past its 20-year base term on 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 May 10, 2006, when application 11/432,285, the earliest non-provisional in its chain, was filed (this one was filed Mar 19, 2012)	May 10, 2026	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+1085 days, USPTO patent term adjustment record	Apr 29, 2029	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	Apr 29, 2029	High confidence

This family

US 7,824,436	In force Apr 2028	Apr 2028
US 7,837,722	In force no later than Feb 2027	no later than Feb 2027
Application 11/881,105	Abandoned not computed	not computed
US 8,075,605	Term ended no later than Jun 2026	no later than Jun 2026
US 8,313,520	Lapsed on the fee record Nov 2024	Nov 2024
US 9,358,150	this patent Apr 2029	Apr 2029
US 10,561,527	In force no later than Aug 2028	no later than Aug 2028

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, 2012 Reel 28295, frame 772	Rozenberg, Allan	Benechill, Inc.	Assignment of Assignor's Interest
Feb 18, 2015 Reel 35033, frame 583	Hoffman, John K; Shaffer, Thomas K	Benechill, Inc.	Assignment of Assignor's Interest
Mar 6, 2015 Reel 35108, frame 236	Barbut, Denise; Hoffman, John K; Shaffer, Thomas H	Benechill, Inc.	Assignment of Assignor's Interest
Jul 23, 2015 Reel 36163, frame 535	Benechill, Inc.	Healthcap V L.P.; Ofp V Advisor AB; NGN Biomed Opportunity Annex Fund L.P.; NGN Biomed Opportunity I, L.P.; NGN Biomed Opportunity I GmbH & Co. Beteiligungs KG; Marchessini, Alexander; Berman, Michael; Cohen, Fred; Michael Berman Revocable Trust	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	Healthcap V L.P.	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	Ofp V Advisor AB	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	NGN Biomed Opportunity Annex Fund L.P.	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	NGN Biomed Opportunity I, L.P.	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	NGN Biomed Opportunity I GmbH & Co. Beteiligungs KG	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	Marchessini, Alexander	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	Berman, Michael	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	Cohen, Fred	Security Agreement
Jul 23, 2015 reel/frame not recorded	Benechill, Inc.	Michael Berman Revocable Trust	Security Agreement
Sep 30, 2016 Reel 39911, frame 289	Healthcap V L.P; Ofp V Advisor AB; NGN Biomed Opportunity Annex Fund L.P.; NGN Biomed Opportunity I, L.P.; NGN Biomed Opportunity I GmbH & Co.; Marchessini, Alexander; Berman, Michael; Cohen, Fred; Michael Berman Revocable Trust	Benechill, Inc.	Release of Security Interest
Oct 22, 2016 Reel 40094, frame 502	Benechill, Inc.	Braincool AB	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 2029

Term ends Apr 29, 2029. Maintenance fees still fall due before then

Note

The 1085 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is top 25% of utility patents granted in 2016 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.

Methods and Devices for Non-Invasive Cerebral and Systemic Cooling Alternating Liquid Mist/Gas for Induction and Gas for Maintenance