Tercel IP Ltd.

9 patents currently held · Updated Nov 14, 2026

4 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

Nov 2028

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.

2 fees due Sep 1 to 15, 2027 · next Sep 1

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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 7,878,273	Ultra-hard drilling stabilizer In force Term ends Nov 17, 2028 · From the USPTO record	In force	Term ends Nov 17, 2028	From the USPTO record
US 9,605,494	Tool for selectively connecting or disconnecting components of a downhole workstring In force Term ends Mar 15, 2033 · From the USPTO record	In force	Term ends Mar 15, 2033	From the USPTO record
US 9,284,784	Downhole assembly, tool and method In force Term ends May 8, 2033 · From the USPTO record	In force	Term ends May 8, 2033	From the USPTO record
US 9,488,008	Downhole assembly, tool and method In force Ends no later than May 8, 2033 · From the USPTO record	In force	Ends no later than May 8, 2033	From the USPTO record
US 9,273,519	Downhole dual cutting reamer In force Term ends Mar 22, 2034 · From the USPTO record	In force	Term ends Mar 22, 2034	From the USPTO record
US 9,982,492	Downhole Swivel Sub In force Term ends Jan 9, 2035 · High confidence	In force	Term ends Jan 9, 2035	High confidence
US 11,002,079	Reaming Tool and Methods of Using the Reaming Tool in a Wellbore In force Term ends Mar 21, 2035 · High confidence	In force	Term ends Mar 21, 2035	High confidence
US 10,794,121	Connecting assembly and receptacle adapted to receive said connecting assembly for connecting two tubing sections, and method for installing and connecting two tubing sections in a wellbore In force Term ends Mar 13, 2036 · From the USPTO record	In force	Term ends Mar 13, 2036	From the USPTO record
US 10,941,620	Downhole swivel sub and method for releasing a stuck object in a wellbore In force Term ends Apr 13, 2036 · From the USPTO record	In force	Term ends Apr 13, 2036	From the USPTO record

Also on record, not counted in the 9: 4 patents in force now held by others · 14 lapsed for an unpaid fee · 7 ended at full term. 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.

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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.

5 no status recorded

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