Contipro A.S.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Aug 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 Mar 17, 2027The maintenance fee for Derivatives of sulfated polysaccharides, method of preparation, modification and use thereof (US 10,414,832) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
- 1 fee due Oct 14, 2027The maintenance fee for Unsaturated derivatives of polysaccharides, method of preparation thereof and use thereof (US 10,618,984) comes due Oct 14, 2027. Unpaid by Apr 14, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,434,791 | Method of preparation of an oxidized derivative of hyaluronic acid and a method of modification thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,403,918 | Oxidized derivative of hyaluronic acid, a method of preparation thereof and a method of modification thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,522,966 | Hyaluronic acid derivative, method of preparation thereof, method of modification thereof and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,492,586 | Derivatives of hyaluronic acid capable of forming hydrogels In force · From the USPTO record | In force | From the USPTO record | |
| US 9,999,678 | C6-C18-acylated derivative of hyaluronic acid and method of preparation thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,023,658 | Conjugates of oligomer of hyaluronic acid or of a salt thereof, method of preparation thereof and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,689,464 | Self-supporting, biodegradable film based on hydrophobized hyaluronic acid, method of preparation and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,414,832 | Derivatives of sulfated polysaccharides, method of preparation, modification and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 10,618,984 | Unsaturated derivatives of polysaccharides, method of preparation thereof and use thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 11,425,907 | Composition Comprising an Iodide and a Derivative of Hyaluronic Acid with an Oxidative Effect, Method of Preparation Thereof and Use Thereof In force · High confidence | In force | High confidence |
Also on record, not counted in the 13: 5 lapsed for an unpaid fee. 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.
2 pending · 9 no status recorded