Crestecbio Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
May 2031
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 10, 2027The maintenance fee for Organic-inorganic hybrid composite of polymerized nitroxide compound and inorganic particles (US 9,333,265) comes due Nov 10, 2027. Unpaid by May 10, 2028, it lapses early.
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 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,980,241 | Polymerized Cyclic Nitroxide Radical Compound and Use Thereof In force · High confidence | In force | High confidence | |
| US 9,849,186 | Triblock copolymer and use therefor In force · From the USPTO record | In force | From the USPTO record | |
| US 9,333,265 | Organic-inorganic hybrid composite of polymerized nitroxide compound and inorganic particles In force · From the USPTO record | In force | From the USPTO record | |
| US 9,918,935 | Composition containing polycationic triblock copolymer, polyanionic polymer and physiologically active peptide In force · From the USPTO record | In force | From the USPTO record | |
| US 10,208,152 | Poly(ethylene glycol)-b-poly(halomethylstyrene), derivative thereof, and method for producing same In force · From the USPTO record | In force | From the USPTO record | |
| US 12,049,543 | Copolymer containing cyclic nitroxide radical and trialkoxysilyl in side chain, and use thereof In force · From the USPTO record | In force | From the USPTO record |
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.