Lumas Polymers LLC

15 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Jun 2040

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 Apr 3, 2027
The maintenance fee for Additive Manufacturing Break Away Support Material (US 11,773,283) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, it lapses early.
1 fee due Jun 19, 2027
The maintenance fee for Method for Forming Thermoplastic Additive Manufacturing Powders (US 11,845,833) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, 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 12,122,873	Producing Semi-Crystalline Pulverulent Polycarbonate and Use Thereof in Additive Manufacturing In force Term ends Jun 28, 2040 · Low confidence	In force	Term ends Jun 28, 2040	Low confidence
US 11,634,546	Producing Semi-Crystalline Pulverulent Polycarbonate and Use Thereof in Additive Manufacturing In force Term ends Jul 21, 2040 · High confidence	In force	Term ends Jul 21, 2040	High confidence
US 12,252,572	Method for Improving Adhesion in and Between Layers of Additive Manufactured Articles In force Term ends Jul 8, 2041 · High confidence	In force	Term ends Jul 8, 2041	High confidence
US 12,503,542	Chain Scission to Make Improved Polymers for 3D Printing In force Term ends Feb 28, 2042 · High confidence	In force	Term ends Feb 28, 2042	High confidence
US 12,071,539	Elastomeric Additive Manufacturing Composition In force Ends no later than Apr 15, 2042 · Medium confidence	In force	Ends no later than Apr 15, 2042	Medium confidence
US 11,773,283	Additive Manufacturing Break Away Support Material In force Term ends Apr 19, 2042 · High confidence	In force	Term ends Apr 19, 2042	High confidence
US 12,152,157	Additive Manufacturing Break Away Support Material In force Term ends Apr 19, 2042 · Medium confidence	In force	Term ends Apr 19, 2042	Medium confidence
US 11,845,833	Method for Forming Thermoplastic Additive Manufacturing Powders In force Term ends May 16, 2042 · High confidence	In force	Term ends May 16, 2042	High confidence
US 12,187,847	Polyketone Powder for Laser Sintering In force Term ends May 16, 2042 · High confidence	In force	Term ends May 16, 2042	High confidence
US 12,258,446	Polyketone Powder for Laser Sintering In force Term ends May 16, 2042 · High confidence	In force	Term ends May 16, 2042	High confidence

10 of 15 patents shown.

Pro members see all 15.

Pro members: see all 15 patents

Also on record, not counted in the 15: 1 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.

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Published applications

Every application published under this name has become a patent.