Comsol AB

20 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Oct 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Feb 4, 2027
The maintenance fee for Systems and methods for creating application interfaces for forming and solving problems in a modeling system (US 9,098,106) comes due Feb 4, 2027. Unpaid by Aug 4, 2027, it lapses early.
1 fee due Mar 29, 2027
The maintenance fee for System and method for creating user interfaces in a multiphysics modeling system (US 9,146,652) comes due Mar 29, 2027. Unpaid by Sep 29, 2027, it lapses early.
1 fee due Jun 8, 2027
The maintenance fee for System and method for establishing bidirectional links between multiphysics modeling and design systems (US 9,208,270) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
1 fee due Aug 6, 2027
The maintenance fee for Systems and methods for topology and shape optimization for modeling of a physical object (US 11,893,318) comes due Aug 6, 2027. Unpaid by Feb 7, 2028, it lapses early.
1 fee due Sep 19, 2027
The maintenance fee for System and method for adding and defining perfectly matched layers for a model of a physical system (US 11,934,752) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.
1 fee due Oct 26, 2027
The maintenance fee for System and method for accessing settings in a multiphysics modeling system using a model tree (US 9,323,503) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.
1 fee due Nov 12, 2027
The maintenance fee for System and method for creating application interfaces for multiphysics modeling (US 10,650,177) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

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 8,219,373	System and method for graphically creating models for simulating systems of reacting species In force Term ends Oct 17, 2028 · From the USPTO record	In force	Term ends Oct 17, 2028	From the USPTO record
US 8,949,089	System and apparatus for accessing a multiphysics modeling system via a design system user interface In force Term ends Dec 29, 2030 · From the USPTO record	In force	Term ends Dec 29, 2030	From the USPTO record
US 12,099,787	System and method for accessing settings in a multiphysics modeling system using a model tree In force Term ends Dec 29, 2030 · From the USPTO record	In force	Term ends Dec 29, 2030	From the USPTO record
US 8,626,475	System and method for accessing a multiphysics modeling system via a design system user interface In force Term ends Dec 11, 2031 · From the USPTO record	In force	Term ends Dec 11, 2031	From the USPTO record
US 9,323,503	System and method for accessing settings in a multiphysics modeling system using a model tree In force Term ends Nov 8, 2032 · From the USPTO record	In force	Term ends Nov 8, 2032	From the USPTO record
US 9,208,270	System and method for establishing bidirectional links between multiphysics modeling and design systems In force Term ends Dec 27, 2032 · From the USPTO record	In force	Term ends Dec 27, 2032	From the USPTO record
US 9,098,106	Systems and methods for creating application interfaces for forming and solving problems in a modeling system In force Term ends Mar 15, 2033 · From the USPTO record	In force	Term ends Mar 15, 2033	From the USPTO record
US 9,454,625	Systems and methods for creating application interfaces for forming and solving problems in a modeling system In force Ends no later than Mar 15, 2033 · From the USPTO record	In force	Ends no later than Mar 15, 2033	From the USPTO record
US 9,146,652	System and method for creating user interfaces in a multiphysics modeling system In force Term ends Apr 28, 2033 · From the USPTO record	In force	Term ends Apr 28, 2033	From the USPTO record
US 11,934,752	System and method for adding and defining perfectly matched layers for a model of a physical system In force Term ends Jun 9, 2033 · From the USPTO record	In force	Term ends Jun 9, 2033	From the USPTO record

10 of 20 patents shown.

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Also on record, not counted in the 20: 1 lapsed for an unpaid fee · 4 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.

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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.

1 pending · 6 no status recorded

List them