Transitions Optical, Ltd.
2 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 7 name spellings.
24
Ending by 2030
Jan 2027
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.
- 1 fee due Nov 19, 2026The maintenance fee for Photochromic Compounds and Compositions (US 9,034,219) comes due Nov 19, 2026. Unpaid by May 19, 2027, it lapses early.
- 2 fees due Dec 9 to 13, 2026 · next Dec 9
- 1 fee due Jan 7, 2027The maintenance fee for Method of making indeno-fused naphthol materials (US 9,073,838) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
- 3 fees due Feb 1 to 6, 2027 · next Feb 1
- 3 fees due Mar 5 to 24, 2027 · next Mar 5
- 4 fees due Apr 3 to 24, 2027 · next Apr 3
- 3 fees due Jun 3 to 10, 2027 · next Jun 3
- 1 fee due Jul 30, 2027The maintenance fee for Method and System for Measuring Optical Characteristics of a Contact Lens (US 11,885,706) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
- 2 fees due Aug 13 to 25, 2027 · next Aug 13
- 1 fee due Sep 17, 2027The maintenance fee for Photoalignment materials having improved adhesion (US 10,590,220) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
- 2 fees due Oct 5 to 14, 2027 · next Oct 5
- 1 fee due Nov 10, 2027The maintenance fee for Photochromic articles that include photochromic-dichroic materials (US 9,334,439) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 4 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 7,556,751 | Photochromic materials having electron-withdrawing substituents In force · From the USPTO record | In force | From the USPTO record | |
| US 7,527,754 | Photochromic indeno-fused naphthopyrans In force · From the USPTO record | In force | From the USPTO record | |
| US 7,452,074 | Optical elements and method of making the same using liquid crystal materials In force · From the USPTO record | In force | From the USPTO record | |
| US 7,847,998 | Polarizing, photochromic devices and methods of making the same In force · From the USPTO record | In force | From the USPTO record | |
| US 7,481,955 | Photochromic materials comprising metallocenyl groups In force · From the USPTO record | In force | From the USPTO record | |
| US 9,006,427 | Photochromic Materials Demonstrating Improved Fade Rates In force · Low confidence | In force | Low confidence | |
| US 7,978,391 | Polarizing, photochromic devices and methods of making the same In force · From the USPTO record | In force | From the USPTO record | |
| US 8,926,091 | Optical Elements with Alignmnet Facilities for Optical Dyes In force · Medium confidence | In force | Medium confidence | |
| US 7,666,510 | Optical elements that include curable film-forming compositions containing blocked isocyanate adhesion promoters In force · From the USPTO record | In force | From the USPTO record | |
| US 7,757,629 | Method and apparatus for coating an optical article In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 119: 2 patents in force now held by others · 8 lapsed for an unpaid fee · 132 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.
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.
6 pending · 3 abandoned · 11 no status recorded