Technology Licensing Corporation

13 patents currently held · Updated Nov 15, 2026

3 more in force are now held by other companies

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Aug 2031

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Jan 25, 2027
The maintenance fee for Method and apparatus for incorporating already used and extracted infill into the subsurface of a newly installed field (US 11,708,670) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
2 fees due May 7 to 26, 2027 · next May 7
1 fee due Jun 26, 2027
The maintenance fee for Subsurface Warming System For An Athletic Field (US 11,851,826) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 9,938,104	Apparatus and methods for facilitating the removal of existing turf and installing new turf In force Term ends Aug 10, 2031 · From the USPTO record	In force	Term ends Aug 10, 2031	From the USPTO record
US 9,010,450	Apparatus and Methods for Facilitating the Removal of Existing Turf and Installing New Turf In force Term ends Oct 3, 2031 · Medium confidence	In force	Term ends Oct 3, 2031	Medium confidence
US 9,027,662	Apparatus for Infill Extraction and Collection In force Term ends Dec 4, 2031 · Medium confidence	In force	Term ends Dec 4, 2031	Medium confidence
US 9,422,129	Apparatus and methods for facilitating the removal of existing turf and installing new turf In force Term ends Dec 10, 2032 · From the USPTO record	In force	Term ends Dec 10, 2032	From the USPTO record
US 12,091,825	Relocatable turf In force Term ends May 24, 2033 · From the USPTO record	In force	Term ends May 24, 2033	From the USPTO record
US 8,974,311	Method And Device For Installing Synthetic Turf In force Term ends Nov 30, 2033 · High confidence	In force	Term ends Nov 30, 2033	High confidence
US D917,152	Screw Drive Casing for a Control Panel In force Term ends Apr 27, 2036 · High confidence	In force	Term ends Apr 27, 2036	High confidence
US 10,486,053	Device and method for properly locating the YardLine numbers of a football field In force Term ends Nov 1, 2036 · From the USPTO record	In force	Term ends Nov 1, 2036	From the USPTO record
US 11,807,996	Relocatable turf In force Term ends Mar 21, 2037 · From the USPTO record	In force	Term ends Mar 21, 2037	From the USPTO record
US D956,895	Template for locating a football field yardline number In force Term ends Jul 5, 2037 · From the USPTO record	In force	Term ends Jul 5, 2037	From the USPTO record

10 of 13 patents shown.

Pro members see all 13.

Pro members: see all 13 patents

Also on record, not counted in the 13: 3 patents in force now held by others · 35 lapsed for an unpaid fee · 114 ended at full term · 1 surrendered on reissue. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Export every term end as CSV · Pro

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

8 abandoned · 11 no status recorded

List them