Surrendered on reissue Oct 6, 2020 · Low confidence

Computed 20-year base term

Surrendered on reissue Oct 6, 2020 · its term and maintenance fees continue in US RE48,240.

Held by Prolacta Bioscience, Inc.

Filed Aug 23, 2012 as application 13/592,678 · Granted Jan 14, 2014

Base term, 20 years from filing

Today

Surrendered Oct 6, 2020

2006 2026

Clock starts
Sep 20, 2006

No longer in force
Oct 6, 2020

Granted
Jan 14, 2014

Term would have run to
Sep 20, 2026

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

None

Term adjustment

No prosecution delay on this record.

No effect

Terminal disclaimer

Resolved from the filed document, referencing US 7,943,315, to Sep 20, 2026. The term already ends on or before that date, so the cap shortened nothing.

1 of 3

Maintenance fees paid

Fees paid on this patent before its reissue. Those after fall due on the reissue, which carries the term on.

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. Confidence: Low. 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 Sep 20, 2006, when application PCT/US2006/036827, the earliest non-provisional in its chain, was filed (this one was filed Aug 23, 2012)	Sep 20, 2026	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 7,943,315)	resolves to Sep 20, 2026, no earlier than this term, so no change	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	No fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"	no change	Low confidence
Reissue	US RE48,240 issued Oct 6, 2020, and this patent's term continues in it (35 U.S.C. 251, 252)	surrendered Oct 6, 2020	High confidence
Surrendered on reissue	The steps above, in order	Oct 6, 2020	Low confidence

This family

Application PCT/US2006/036827	PCT application no patent term	no patent term
US 8,545,920	In force Mar 2030	Mar 2030
Application PCT/US2007/085969	PCT application no patent term	no patent term
US 7,943,315	Term ended Nov 2026	Nov 2026
US 8,278,046	Term ended Sep 2026	Sep 2026
US 9,149,052	In force Dec 2032	Dec 2032
US 8,628,921	this patent Oct 2020	Oct 2020
Application 13/946,020	Abandoned not computed	not computed

8 of 20 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
Nov 16, 2012 Reel 29310, frame 32	Medo, Elena M.; Lee, Martin L.; Rechtman, David J.	Prolacta Bioscience, Inc.	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.

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Alerts on its grants, lapses and transfers.

Terminal disclaimer

A terminal disclaimer resolved from the filed document, referencing US 7,943,315, ends no earlier than this term, so it caps nothing.

Citations

later US patents cite this one

That is above the median of utility patents granted in 2014 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.

Methods for Testing Milk