Coherent, Inc.
21 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.
Recorded under 2 name spellings.
39
Ending by 2030
Nov 2026
Next term end
When these terms end
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 Dec 16, 2026
- 3 fees due Jan 2 to 28, 2027 · next Jan 2
- 1 fee due Feb 27, 2027The maintenance fee for Method for laser-marking of anodized aluminum (US 10,391,586) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
- 1 fee due Mar 24, 2027The maintenance fee for Laser machining method and apparatus (US 10,423,047) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
- 1 fee due May 17, 2027The maintenance fee for Optical parametric oscillator pumped by femtosecond thin-disk laser (US 9,188,833) comes due May 17, 2027. Unpaid by Nov 17, 2027, it lapses early.
- 2 fees due Jun 8 to 19, 2027 · next Jun 8
- 4 fees due Jul 12 to 26, 2027 · next Jul 12
- 1 fee due Sep 8, 2027The maintenance fee for Intelligent Laser Interlock System (US 9,281,653) comes due Sep 8, 2027. Unpaid by Mar 8, 2028, it lapses early.
- 1 fee due Oct 21, 2027The maintenance fee for Mode Mixing Optical Fibers and Methods and Systems Using the Same (US 10,630,040) comes due Oct 21, 2027. Unpaid by Apr 21, 2028, it lapses early.
- 3 fees due Nov 3 to 5, 2027 · next Nov 3
Recent changes
- 6 terms have ended since Aug 16, 2026
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 7,430,071 | Adjustable pulse-shaper In force · From the USPTO record | In force | From the USPTO record | |
| US 7,444,049 | Pulse Stretcher and Compressor Including a Multi-Pass Bragg Grating In force · High confidence | In force | High confidence | |
| US 7,916,764 | Output power control for harmonic-generating laser In force · From the USPTO record | In force | From the USPTO record | |
| US 7,400,457 | Rectangular flat-top beam shaper In force · From the USPTO record | In force | From the USPTO record | |
| US 7,502,404 | Optical pumping method for gain-media with polarization sensitive absorption In force · From the USPTO record | In force | From the USPTO record | |
| US 7,755,452 | Power combiner In force · From the USPTO record | In force | From the USPTO record | |
| US 7,787,175 | Pulse Selecting in a Chirped Pulse Amplification System In force · High confidence | In force | High confidence | |
| US 7,738,515 | Quasi-CW UV laser with low peak pulse-power In force · From the USPTO record | In force | From the USPTO record | |
| US 7,605,673 | Transformer for impedance-matching power output of RF amplifier to gas-laser discharge In force · From the USPTO record | In force | From the USPTO record | |
| US 7,505,491 | Frequency-converted high-power laser with recirculating polarization control In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 140: 21 patents in force now held by others · 234 lapsed for an unpaid fee · 322 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.
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.
7 pending · 26 no status recorded