Term ends Oct 14, 2031 · High confidence

Computed 20-year base term

Held by Phygen, LLC

Filed Oct 14, 2011 as application 13/274,243 · Granted Dec 6, 2016

Base term, 20 years from filing

Today

20 years from filing

Term ends Oct 14, 2031

2011 2031

Clock starts
Oct 14, 2011

Term ends
Oct 14, 2031

Granted
Dec 6, 2016

base term 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.

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 is its 20-year base term, with no adjustment for 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 Oct 14, 2011, when this application, 13/274,243, was filed	Oct 14, 2031	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	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	Oct 14, 2031	High confidence

This family

US 9,510,867	this patent Oct 2031	Oct 2031
US 10,433,875	In force Feb 2032	Feb 2032

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
Dec 18, 2012 Reel 29492, frame 665	Phygen, LLC	Alphatec Spine, Inc.	Assignment of Assignor's Interest
Mar 27, 2014 Reel 32551, frame 37	Alphatec Holdings, Inc.; Alphatec Spine, Inc.; Alphatec International LLC; Alphatec Pacific, Inc.	Deerfield Private Design Fund II, L.P.; Deerfield Private Design International II, L.P.; Deerfield Special Situations Fund, L.P.; Deerfield Special Situations International Master Fund, L.P.	Security Interest
Mar 27, 2014 reel/frame not recorded	Alphatec Holdings, Inc.; Alphatec International LLC; Alphatec Pacific, Inc.; Alphatec Spine, Inc.	Deerfield Private Design Fund II, L.P.	Security Interest
Mar 27, 2014 reel/frame not recorded	Alphatec Holdings, Inc.; Alphatec International LLC; Alphatec Pacific, Inc.; Alphatec Spine, Inc.	Deerfield Private Design International II, L.P.	Security Interest
Mar 27, 2014 reel/frame not recorded	Alphatec Holdings, Inc.; Alphatec International LLC; Alphatec Pacific, Inc.; Alphatec Spine, Inc.	Deerfield Special Situations Fund, L.P.	Security Interest
Mar 27, 2014 reel/frame not recorded	Alphatec Holdings, Inc.; Alphatec International LLC; Alphatec Pacific, Inc.; Alphatec Spine, Inc.	Deerfield Special Situations International Master Fund, L.P.	Security Interest
Jul 1, 2015 Reel 35967, frame 132	Alphatec Spine, Inc.	Phygen, LLC	Assignment of Assignor's Interest
Sep 8, 2016 Reel 39950, frame 360	Deerfield Private Design Fund II, L.P.; Deerfield Private Design International II, L.P.; Deerfield Special Situations Fund, L.P.; Deerfield Special Situations International Master Fund, L.P.	Alphatec Holdings, Inc.; Alphatec Spine, Inc.; Alphatec International LLC; Alphatec Pacific, Inc.	Release of Security Interest
Sep 8, 2016 reel/frame not recorded	Deerfield Private Design Fund II, L.P.; Deerfield Private Design International II, L.P.; Deerfield Special Situations Fund, L.P.; Deerfield Special Situations International Master Fund, L.P.	Alphatec Holdings, Inc.	Release of Security Interest
Sep 8, 2016 reel/frame not recorded	Deerfield Private Design Fund II, L.P.; Deerfield Private Design International II, L.P.; Deerfield Special Situations Fund, L.P.; Deerfield Special Situations International Master Fund, L.P.	Alphatec Spine, Inc.	Release of Security Interest
Sep 8, 2016 reel/frame not recorded	Deerfield Private Design Fund II, L.P.; Deerfield Private Design International II, L.P.; Deerfield Special Situations Fund, L.P.; Deerfield Special Situations International Master Fund, L.P.	Alphatec International LLC	Release of Security Interest
Sep 8, 2016 reel/frame not recorded	Deerfield Private Design Fund II, L.P.; Deerfield Private Design International II, L.P.; Deerfield Special Situations Fund, L.P.; Deerfield Special Situations International Master Fund, L.P.	Alphatec Pacific, Inc.	Release of Security Interest
Oct 24, 2016 Reel 40105, frame 894	Garamszegi, Laszlo	Phygen, LLC	Assignment of Assignor's Interest
May 19, 2017 Reel 42504, frame 460	Alphatec Spine, Inc.	Phygen, LLC	Assignment of Assignor's Interest
Jul 27, 2017 Reel 43108, frame 597	Globus Medical, Inc.	Phygen, LLC	Release of Security Interest
Jun 3, 2020 Reel 52832, frame 132	Midcap Funding IV Trust	Alphatec Holdings, Inc.; Alphatec Spine, Inc.	Release of Security Interest
Jun 3, 2020 reel/frame not recorded	Midcap Funding IV Trust	Alphatec Holdings, Inc.	Release of Security Interest
Jun 3, 2020 reel/frame not recorded	Midcap Funding IV Trust	Alphatec Spine, Inc.	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.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Oct 2031

Term ends Oct 14, 2031. Maintenance fees still fall due before then

Citations

later US patents cite this one

That is top 10% 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.

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