Brewer Science, Inc.
6 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.
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 28, 2026The maintenance fee for Laser ablative dielectric material (US 10,304,720) comes due Nov 28, 2026. Unpaid by May 28, 2027, it lapses early.
- 3 fees due Dec 11 to 25, 2026 · next Dec 11
- 2 fees due Jan 16 to 30, 2027 · next Jan 16
- 4 fees due Feb 4 to 25, 2027 · next Feb 4
- 4 fees due Mar 1 to 26, 2027 · next Mar 1
- 1 fee due Apr 13, 2027The maintenance fee for Highly soluble carbon nanotubes with enhanced conductivity (US 9,157,003) comes due Apr 13, 2027. Unpaid by Oct 13, 2027, it lapses early.
- 1 fee due May 14, 2027The maintenance fee for High-silicon-content wet-removable planarizing layer (US 11,817,317) comes due May 14, 2027. Unpaid by Nov 15, 2027, it lapses early.
- 2 fees due Jun 29 to 30, 2027 · next Jun 29
- 2 fees due Aug 2 to 16, 2027 · next Aug 2
- 1 fee due Sep 29, 2027The maintenance fee for CVD-free, scalable processes for the production of silicon micro- and nanostructures (US 9,299,778) comes due Sep 29, 2027. Unpaid by Mar 29, 2028, it lapses early.
- 2 fees due Oct 7 to 30, 2027 · next Oct 7
- 1 fee due Nov 3, 2027The maintenance fee for Nonpolymeric antireflection compositions containing adamantyl groups (US 9,328,246) comes due Nov 3, 2027. Unpaid by May 3, 2028, it lapses early.
Recent changes
- 1 term has 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 7,602,066 | Method of filling structures for forming via-first dual damascene interconnects In force · From the USPTO record | In force | From the USPTO record | |
| US 7,695,890 | Negative photoresist for silicon KOH etch without silicon nitride In force · From the USPTO record | In force | From the USPTO record | |
| US 7,709,178 | Alkaline-Resistant Negative Photoresist for Silicon Wet-Etch Without Silicon Nitride In force · High confidence | In force | High confidence | |
| US 7,608,342 | Photocurable, conductive, transparent polymer coatings In force · From the USPTO record | In force | From the USPTO record | |
| US 8,445,591 | Spin-on protective coatings for wet-etch processing of microelectronic substrates In force · From the USPTO record | In force | From the USPTO record | |
| US 7,935,780 | High-temperature spin-on temporary bonding compositions In force · From the USPTO record | In force | From the USPTO record | |
| US 8,236,669 | High-temperature spin-on temporary bonding compositions In force · From the USPTO record | In force | From the USPTO record | |
| US 8,221,571 | Cyclic olefin compositions for temporary wafer bonding In force · From the USPTO record | In force | From the USPTO record | |
| US 8,771,442 | Cyclic olefin compositions for temporary wafer bonding In force · From the USPTO record | In force | From the USPTO record | |
| US 8,268,449 | Thermal- and chemical-resistant acid protection coating material and spin-on thermoplastic adhesive In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 96: 6 patents in force now held by others · 25 lapsed for an unpaid fee · 73 ended at full term · 3 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.
10 pending · 4 abandoned · 18 no status recorded