Ansys, Inc.
7 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.
42
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.
- 9 fees due Dec 2 to 25, 2026 · next Dec 2
- 5 fees due Jan 9 to 25, 2027 · next Jan 9
- 7 fees due Feb 1 to 28, 2027 · next Feb 1
- 8 fees due Mar 10 to 24, 2027 · next Mar 10
- 11 fees due Apr 3 to 29, 2027 · next Apr 3
- 3 fees due May 5 to 12, 2027 · next May 5
- 6 fees due Jun 5 to 29, 2027 · next Jun 5
- 7 fees due Jul 9 to 30, 2027 · next Jul 9
- 5 fees due Aug 4 to 27, 2027 · next Aug 4
- 11 fees due Sep 3 to 26, 2027 · next Sep 3
- 4 fees due Oct 9 to 30, 2027 · next Oct 9
- 3 fees due Nov 7 to 12, 2027 · next Nov 7
Recent changes
- 5 of the patents on this record were granted since Aug 16, 2026
- 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 8,180,605 | Methods and systems for creating a smooth contact-impact interface in finite element analysis In force · From the USPTO record | In force | From the USPTO record | |
| US 7,509,613 | Design method and architecture for power gate switch placement and interconnection using tapless libraries In force · From the USPTO record | In force | From the USPTO record | |
| US 7,428,713 | Accelerated design optimization In force · From the USPTO record | In force | From the USPTO record | |
| US 7,533,577 | Determination of elastomer material properties for the Mullins effect using a bi-axial test device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,472,602 | Determination of elastomer material properties for the Mullins effect using a bi-axial test device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,516,053 | Method and system for simulating fracture propagation in brittle materials In force · From the USPTO record | In force | From the USPTO record | |
| US 7,613,585 | Method and system for defining material properties hierarchically in finite element analysis In force · From the USPTO record | In force | From the USPTO record | |
| US 7,590,514 | Method and system for simulating inflation of an enclosed volume with flexible boundary using gas particles In force · From the USPTO record | In force | From the USPTO record | |
| US 7,594,210 | Timing Variation Characterization In force · High confidence | In force | High confidence | |
| US 8,330,775 | Systems and methods for merging and splitting intersecting solids and surfaces In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 336: 7 patents in force now held by others · 1 lapsed for an unpaid fee · 43 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.
14 pending · 1 abandoned · 11 no status recorded