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Glycopolysialylation of Non-Blood Coagulation Proteins

US 9,795,683 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Oct 24, 2025 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jul 26, 2010 as application 12/843,284 · Granted Oct 24, 2017
Base term, 20 years from filing, plus 355 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Oct 24, 2025
2010 2030
Clock starts
Jul 26, 2010
No longer in force
Oct 24, 2025
Granted
Oct 24, 2017
Term would have run to
Jul 26, 2030
base term after the term ends 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
355
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,945,897, US 9,492,555.
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.
2
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 Jul 26, 2030: its 20-year base term plus 355 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jul 26, 2010, when this application, 12/843,284, was filedJul 26, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+355 days, USPTO patent term adjustment recordJul 16, 2031High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,945,897, US 9,492,555)capped to Jul 26, 2030High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Oct 24, 2025High confidence
Computed term endThe steps above, in orderOct 24, 2025High confidence

This family

US 9,795,683this patent
Oct 2025
Oct 2025
US 10,772,968In force
no later than Nov 2030
no later than Nov 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.
RecordedAssignorAssigneeConveyance
Oct 12, 2010
Reel 25128, frame 279
Jain, Sanjay; Gregoriadis, Gregory; Dwivedi, Archana; Nath, SrijitLipoxen Technologies LimitedAssignment of Assignor's Interest
Oct 12, 2010
Reel 25128, frame 295
Siekmann, Juergen; Haider, Stefan; Rottensteiner, Hanspeter; Turecek, PeterBaxter International Inc.Assignment of Assignor's Interest
Oct 12, 2010
Reel 25128, frame 306
Siekmann, Juergen; Haider, Stefan; Rottensteiner, Hanspeter; Turecek, PeterBaxter Healthcare S.A.Assignment of Assignor's Interest
Feb 3, 2016
Reel 37652, frame 39
Baxter International Inc.; Baxter Healthcare S.A.Baxalta Incorporated; Baxalta GmbHAssignment of Assignor's Interest
Feb 3, 2016
reel/frame not recorded
Baxter Healthcare S.A.; Baxter International Inc.Baxalta IncorporatedAssignment of Assignor's Interest
Feb 3, 2016
reel/frame not recorded
Baxter Healthcare S.A.; Baxter International Inc.Baxalta GmbHAssignment 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.

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