Eospace Inc.

9 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

Apr 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.

1 fee due Jun 12, 2027
The maintenance fee for Electro-optic modulation of multiple phase modulator waveguides with a single electrode (US 11,841,562) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, it lapses early.
1 fee due Aug 2, 2027
The maintenance fee for High-RF frequency analog fiber-optic links using optical signal processing techniques (US 9,250,496) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, 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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 7,660,491	High-dynamic-range analog fiber-optic link using phase modulation and tunable optical filter In force Term ends Apr 1, 2028 · From the USPTO record	In force	Term ends Apr 1, 2028	From the USPTO record
US 8,582,927	High-efficiency optical modulators and implementation techniques In force Term ends Nov 12, 2029 · From the USPTO record	In force	Term ends Nov 12, 2029	From the USPTO record
US 9,705,603	Spread-spectrum bias control In force Ends no later than Aug 31, 2032 · From the USPTO record	In force	Ends no later than Aug 31, 2032	From the USPTO record
US 9,158,137	Spread-Spectrum Bias Control In force Term ends Jan 13, 2034 · High confidence	In force	Term ends Jan 13, 2034	High confidence
US 9,250,496	High-RF frequency analog fiber-optic links using optical signal processing techniques In force Term ends Mar 6, 2034 · From the USPTO record	In force	Term ends Mar 6, 2034	From the USPTO record
US 10,018,888	Advanced techniques for improving high-efficiency optical modulators In force Term ends May 25, 2035 · From the USPTO record	In force	Term ends May 25, 2035	From the USPTO record
US 9,923,631	Optical Signal Processing Characterization of Microwave and Electro-Optic Devices In force Term ends Nov 17, 2035 · High confidence	In force	Term ends Nov 17, 2035	High confidence
US 11,385,517	Dual polarization optical modulator with independent phase tuning for each polarization state and its application in an optical integrated circuit architecture for optically-controlled RF phased-array beam forming In force Term ends Nov 22, 2037 · From the USPTO record	In force	Term ends Nov 22, 2037	From the USPTO record
US 11,841,562	Electro-optic modulation of multiple phase modulator waveguides with a single electrode In force Term ends May 26, 2041 · From the USPTO record	In force	Term ends May 26, 2041	From the USPTO record

Also on record, not counted in the 9: 1 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.

Export every term end as CSV · Pro

Published applications

Every application published under this name has become a patent.