The Patent Finder
US

Preparation of Amino Acid-Fatty Acid Anhydrides

US 7,714,154 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Apr 21, 2022 (HSBC Bank Canada).

Lapsed May 11, 2022 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Apr 8, 2008 as application 12/099,306 · Granted May 11, 2010
Base term, 20 years from filing, plus 102 days of patent term adjustment (USPTO delay)
Today
Lapsed May 11, 2022
2007 2027
Clock starts
Feb 20, 2007
No longer in force
May 11, 2022
Granted
May 11, 2010
Term would have run to
Jun 2, 2027
base term patent term adjustment after the term ends 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
102
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,511,164, to Jun 2, 2027. 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.
4
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 Jun 2, 2027: its 20-year base term plus 102 days of term 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. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Feb 20, 2007, when application 11/676,623, the earliest non-provisional in its chain, was filed (this one was filed Apr 8, 2008)Feb 20, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+102 days, USPTO patent term adjustment recordJun 2, 2027High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,511,164)resolves to Jun 2, 2027, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed May 11, 2022High confidence
Computed term endThe steps above, in orderMay 11, 2022High confidence

This family

US 7,314,945In force
Feb 2027
Feb 2027
US 7,511,162Lapsed on the fee record
Mar 2021
Mar 2021
US 7,511,164Lapsed on the fee record
Mar 2021
Mar 2021
US 7,714,154this patent
May 2022
May 2022
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.
RecordedAssignorAssigneeConveyance
Apr 8, 2008
Reel 20770, frame 725
Macdougall, Joseph, MRMulti Formulations Ltd.Assignment of Assignor's Interest
Dec 17, 2009
Reel 23679, frame 28
Multi Formulations Ltd.Northern Innovations and Formulations Corp.Merger
Aug 14, 2016
Reel 39427, frame 313
Old Northern Innovations Corp.2462096 Ontario LimitedAssignment of Assignor's Interest
Aug 14, 2016
Reel 39427, frame 326
Old Northern Innovations Corp.2508304 Ontario LimitedAssignment of Assignor's Interest
Aug 14, 2016
Reel 39427, frame 336
Northern Innovations Holding Corp.Old Northern Innovations Corp.Merger
Aug 14, 2016
Reel 39672, frame 851
Northern Innovations and Formulations Corp.Northern Innovations Holding Corp.Merger
Aug 14, 2016
Reel 39672, frame 990
2462096 Ontario LimitedNorthern Innovations Holding Corp.Change of Name
Aug 14, 2016
Reel 39672, frame 994
Northern Innovations Holding Corp.Old Northern Innovations Corp.Change of Name
Aug 14, 2016
Reel 39673, frame 27
2508304 Ontario LimitedNorthern Innovations Holding Corp.Change of Name
Apr 21, 2022
Reel 59662, frame 958
Northern Innovations Holding Corp.HSBC Bank CanadaSecurity Interest
Apr 26, 2022
Reel 59793, frame 777
Northern Innovations Holding Corp.HSBC Bank CanadaCorrective Assignment to Correct the Serial Number of Patent Number 7,645,812 to 7,465,812 Previously Recorded at Reel: 059662 Frame: 0958. Assignor(S) Hereby Confirms the Security Agreement.
May 29, 2026
Reel 75647, frame 267
Royal Bank of CanadaNorthern Innovations Holding Corp.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited