Topcon GPS, LLC

14 patents currently held · Updated Nov 14, 2026

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

Recorded under 2 name spellings.

Ending by 2030

Dec 2026

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 Apr 27, 2027
The maintenance fee for Patch antenna with capacitive elements (US 9,172,144) comes due Apr 27, 2027. Unpaid by Oct 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 7,710,324	Patch antenna with comb substrate In force Term ends Dec 5, 2026 · From the USPTO record	In force	Term ends Dec 5, 2026	From the USPTO record
US 7,439,908	Method and apparatus for determining smoothed code coordinates of a mobile rover In force Term ends Dec 11, 2026 · From the USPTO record	In force	Term ends Dec 11, 2026	From the USPTO record
US 7,382,313	Method for absolute calibration of global navigation satellite system antennas In force Term ends Dec 27, 2026 · From the USPTO record	In force	Term ends Dec 27, 2026	From the USPTO record
US 7,764,226	Universal digital channel for receiving signals of global navigation satellite systems In force Term ends Aug 25, 2027 · From the USPTO record	In force	Term ends Aug 25, 2027	From the USPTO record
US 7,495,607	Method and apparatus for adaptive processing of signals received from satellite navigation systems In force Term ends Nov 28, 2027 · From the USPTO record	In force	Term ends Nov 28, 2027	From the USPTO record
US 7,737,889	Method and apparatus for processing global navigation satellite system signals In force Term ends Apr 15, 2029 · From the USPTO record	In force	Term ends Apr 15, 2029	From the USPTO record
US 8,446,322	Patch antenna with capacitive elements In force Term ends Nov 6, 2029 · From the USPTO record	In force	Term ends Nov 6, 2029	From the USPTO record
US 9,172,144	Patch antenna with capacitive elements In force Term ends Nov 6, 2029 · From the USPTO record	In force	Term ends Nov 6, 2029	From the USPTO record
US 8,174,450	Broadband micropatch antenna system with reduced sensitivity to multipath reception In force Term ends Dec 14, 2029 · From the USPTO record	In force	Term ends Dec 14, 2029	From the USPTO record
US 8,368,593	Measurement of energy potential (signal-to-noise ratio) in digital global navigation satellite systems receivers In force Term ends Aug 28, 2030 · From the USPTO record	In force	Term ends Aug 28, 2030	From the USPTO record

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 3 lapsed for an unpaid fee · 23 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

Every application published under this name has become a patent.