PureTech Scientific LLC

16 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 2027

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 14, 2027.

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 7,439,391	Multi-Stage Glycolic Acid Crystallization In force Term ends Oct 11, 2027 · High confidence	In force	Term ends Oct 11, 2027	High confidence
US 7,695,945	Immobilized Microbial Nitrilase for Production of Glycolic Acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,741,088	Immobilized Microbial Nitrilase for Production of Glycolic Acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,863,027	Process for Enzymatically Converting Glycolonitrile to Glycolic Acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,867,739	Process for Enzymatically Converting Glycolonitrile to Glycolic Acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,867,748	Immobilized Microbial Nitrilase for Production of Glycolic Acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,871,802	Process for enzymatically converting glycolonitrile to glycolic acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,919,286	Process for Enzymatically Converting Glycolonitrile to Glycolic Acid In force Term ends Oct 31, 2027 · High confidence	In force	Term ends Oct 31, 2027	High confidence
US 7,919,287	Process for Enzymatically Converting Glycolonitrile to Glycolic Acid In force Term ends Nov 11, 2027 · High confidence	In force	Term ends Nov 11, 2027	High confidence
US 7,919,288	Process for Enzymatically Converting Glycolonitrile to Glycolic Acid In force Term ends Nov 11, 2027 · High confidence	In force	Term ends Nov 11, 2027	High confidence

10 of 16 patents shown.

Pro members see all 16.

Pro members: see all 16 patents

Also on record, not counted in the 16: 2 lapsed for an unpaid fee · 15 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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