Term ends Nov 10, 2037 · High confidence

Computed 20-year base term

Held by Accuray LLC

Filed Aug 29, 2016 as application 15/250,582 · Granted Jul 9, 2019

Base term plus 438 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Nov 10, 2037

2016 2037

Clock starts
Aug 29, 2016

Term ends
Nov 10, 2037

Granted
Jul 9, 2019

base term patent term adjustment 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

438

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

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.

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 438 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Aug 29, 2016, when this application, 15/250,582, was filed	Aug 29, 2036	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+438 days, USPTO patent term adjustment record	Nov 10, 2037	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	1 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Nov 10, 2037	High confidence

This family

US 10,342,996	this patent Nov 2037	Nov 2037
Application PCT/US2017/048674	PCT application no patent term	no patent term
US 10,456,599	In force Aug 2036	Aug 2036
US 10,806,948	In force Aug 2036	Aug 2036
US 11,331,518	In force Aug 2036	Aug 2036
US 11,896,850	In force Aug 2036	Aug 2036

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
Aug 29, 2016 Reel 39569, frame 284	Jordan, Petr; Myronenko, Andriy; Maurer, Calvin; Schnarr, Eric; O'connell, Rob	Accuray Incorporated	Assignment of Assignor's Interest
Jun 15, 2017 Reel 42826, frame 358	Accuray Incorporated; Tomotherapy Incorporated	Midcap Funding IV Trust (as Successor by Assignment from Midcap Financial Trust)	Security Interest
Dec 19, 2017 Reel 44910, frame 685	Accuray Incorporated; Tomotherapy Incorporated	Midcap Financial Trust	Security Interest
Mar 1, 2019 Reel 48481, frame 804	Midcap Funding X Trust (as Successor by Assignment from Midcap Funding IV Trust, as Successor by Assignment from Midcap Financial Trust), as Existing Administrative Agent	Midcap Funding IV Trust, as Successor to Existing Administrative Agent	Assignment of Security Agreements
May 14, 2021 Reel 56247, frame 1	Accuray Incorporated; Tomotherapy Incorporated	Silicon Valley Bank, as Administrative and Collateral Agent	Security Interest
May 20, 2021 Reel 56318, frame 559	Midcap Funding IV Trust (as Successor by Assignment from Midcap Funding X Trust, as Successor by Assignment from Midcap Funding IV Trust, as Successor by Assignment from Midcap Financial Trust)	Accuray Incorporated; Tomotherapy Incorporated	Release of Security Interest
May 20, 2021 Reel 56318, frame 751	Midcap Financial Trust	Accuray Incorporated; Tomotherapy Incorporated	Release of Security Interest
May 20, 2021 reel/frame not recorded	Midcap Funding IV Trust (as Successor by Assignment from Midcap Funding X Trust, as Successor by Assignment from Midcap Funding IV Trust, as Successor by Assignment from Midcap Financial Trust)	Accuray Incorporated	Release of Security Interest
May 20, 2021 reel/frame not recorded	Midcap Funding IV Trust (as Successor by Assignment from Midcap Funding X Trust, as Successor by Assignment from Midcap Funding IV Trust, as Successor by Assignment from Midcap Financial Trust)	Tomotherapy Incorporated	Release of Security Interest
May 20, 2021 reel/frame not recorded	Midcap Financial Trust	Accuray Incorporated	Release of Security Interest
May 20, 2021 reel/frame not recorded	Midcap Financial Trust	Tomotherapy Incorporated	Release of Security Interest
Jun 6, 2025 Reel 71638, frame 34	First-Citizens Bank & Trust Company	Accuray Incorporated	Release of Security Interest
Aug 13, 2025 Reel 72421, frame 584	Accuray Incorporated	Accuray LLC	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.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Nov 2037

Term ends Nov 10, 2037. Maintenance fees still fall due before then

Note

The 438 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 5% of utility patents granted in 2019 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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