Also listed on Edgecast Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Feb 19, 2032 · High confidence

Computed 20-year base term

Held by DRNC Holdings, Inc.

Filed Mar 14, 2011 as application 13/047,736 · Granted Apr 1, 2014

Base term plus 342 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Feb 19, 2032

2011 2032

Clock starts
Mar 14, 2011

Term ends
Feb 19, 2032

Granted
Apr 1, 2014

base term patent term adjustment 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

342

Days of term adjustment

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

None

Terminal disclaimer

No disclaimer on this record.

3 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 342 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Mar 14, 2011, when this application, 13/047,736, was filed	Mar 14, 2031	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+342 days, USPTO patent term adjustment record	Feb 19, 2032	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	3 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Feb 19, 2032	High confidence

This family

US 8,688,817	this patent Feb 2032	Feb 2032
US 9,654,601	In force Jan 2033	Jan 2033
US 9,253,289	In force May 2031	May 2031
US 10,440,156	In force Aug 2031	Aug 2031

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
Mar 14, 2011 Reel 25951, frame 812	Hartrick, Timothy W.; Kazerani, Alexander A; Sakata, Jayson G	Edgecast Networks, Inc.	Assignment of Assignor's Interest
Apr 25, 2016 Reel 38511, frame 45	Edgecast Networks, Inc.	Verizon Digital Media Services Inc.	Change of Name
Mar 15, 2022 Reel 59367, frame 990	Verizon Digital Media Services Inc.	Edgecast Inc.	Change of Name
Oct 21, 2022 Reel 61738, frame 972	Edgecast Inc.	Edgio, Inc.	Assignment of Assignor's Interest
Nov 15, 2023 Reel 65597, frame 212	Edgio, Inc.; Mojo Merger Sub, LLC	Lynrock Lake Master Fund LP [Lynrock Lake Partners LLC, Its General Partner]	Patent Security Agreement
Nov 15, 2023 Reel 65597, frame 406	Edgio, Inc.; Mojo Merger Sub, LLC	U.S. Bank Trust Company, National Association	Patent Security Agreement
Aug 23, 2024 Reel 68763, frame 276	Edgio, Inc.; Mojo Merger Sub, LLC	Lynrock Lake Master Fund LP [Lynrock Lake Partners LLC, Its General Partner]	Patent Security Agreement
Jan 30, 2025 Reel 70071, frame 327	Edgio, Inc.	DRNC Holdings, Inc.	Assignment of Assignor's Interest
Jul 3, 2025 Reel 71817, frame 877	Lynrock Lake Master Fund LP	Uplynk, Inc. (F/K/A Edgio, Inc.); Mojo Merger Sub, LLC	Release of Patent Security Agreement [recorded at Reel/Frame 065597/0212]
Jul 3, 2025 Reel 71818, frame 22	Lynrock Lake Master Fund LP	Uplynk, Inc. (F/K/A Edgio, Inc.); Mojo Merger Sub, LLC	Release of Patent Security Agreement [recorded at Reel/Frame 068763/0276]
Jul 3, 2025 reel/frame not recorded	Lynrock Lake Master Fund LP	Uplynk, Inc. (F/K/A Edgio, Inc.)	Release of Patent Security Agreement [recorded at Reel/Frame 065597/0212]
Jul 3, 2025 reel/frame not recorded	Lynrock Lake Master Fund LP	Mojo Merger Sub, LLC	Release of Patent Security Agreement [recorded at Reel/Frame 065597/0212]
Jul 3, 2025 reel/frame not recorded	Lynrock Lake Master Fund LP	Uplynk, Inc. (F/K/A Edgio, Inc.)	Release of Patent Security Agreement [recorded at Reel/Frame 068763/0276]
Jul 3, 2025 reel/frame not recorded	Lynrock Lake Master Fund LP	Mojo Merger Sub, LLC	Release of Patent Security Agreement [recorded at Reel/Frame 068763/0276]
Jul 9, 2025 Reel 71875, frame 105	U.S. Bank Trust Company, National Association	Uplynk, Inc. (F/K/A Edgio, Inc.)	Release of Patent Security Agreement [recorded at Reel/Frame 065597/0406]

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.

What's changing

Feb 2032

Term ends Feb 19, 2032. No further fees fall due before then

Note

The 342 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

120

later US patents cite this one

That is top 5% 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.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

Network Connection Hand-off Using State Transformations