14 patents currently held

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

The next term ends in Apr 2031. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Apr 2031

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

202620272028202920302031 2032203320342035203620372038 2039204020412042204320442045

notable patents all others Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable: the highest-ranked patents in this portfolio by citations and family size.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Microorganism Loaded Aggregate and Manufacturing Methods US 11,795,108

Cited by 10 later US patents, top 10% of utility patents granted in 2023 in our data. Protection runs to 2039.

Ends Dec 2039 · High confidence Also notable

Cyclical Reaction of Calcium Carbonate US 11,008,591

Cited by 8 later US patents, top 25% of utility patents granted in 2021 in our data. Protection runs to 2038.

Ends Oct 2038 · High confidence Also notable

Biocementation Method and System US 11,518,687

Cited by 6 later US patents, top 25% of utility patents granted in 2022 in our data. Protection runs to 2039.

Ends Aug 2039 · High confidence

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.

2 fees due Apr 22 to 24, 2027 · next Apr 22
1 fee due Jun 1, 2027
The maintenance fee for Methods for Making Construction Materials Using Enzyme Producing Bacteria (US 9,199,880) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
1 fee due Oct 21, 2027
The maintenance fee for Compositions and Methods of Biologically Cemented Structures for Marine Applications (US 10,626,547) comes due Oct 21, 2027. Unpaid by Apr 21, 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.

What they patent

Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.

Methods for Making Construction Material Using Enzyme Producing Bacteria	9 in force	to Dec 2039
Biocementation Method and System	2 in force	to Aug 2039
Compositions and Methods of Biologically Cemented Structures for Marine Applications	2 in force	to Apr 2038
Cyclical Reaction of Calcium Carbonate	1 in force	to Oct 2038

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 9,199,880	Methods for Making Construction Materials Using Enzyme Producing Bacteria In force Term ends Apr 25, 2031 · High confidence	In force	Term ends Apr 25, 2031	High confidence
US 9,428,418	Production and Manufacture with Enzymes and Bacteria In force Term ends Apr 25, 2031 · High confidence	In force	Term ends Apr 25, 2031	High confidence
US 9,796,626	Production of Masonry with Bacteria In force Term ends Apr 25, 2031 · High confidence	In force	Term ends Apr 25, 2031	High confidence
US 11,472,738	Methods for the Manufacture of Colorfast Masonry In force Term ends Apr 25, 2031 · High confidence	In force	Term ends Apr 25, 2031	High confidence
US 8,951,786	Compositions, Tools and Methods for the Manufacture of Construction Materials using Enzymes In force Term ends Sep 26, 2031 · High confidence	In force	Term ends Sep 26, 2031	High confidence
US 10,717,674	Methods for the Manufacture of Colorfast Masonry In force Term ends Jul 6, 2032 · High confidence	In force	Term ends Jul 6, 2032	High confidence
US 8,728,365	Methods for Making Construction Material Using Enzyme Producing Bacteria In force Term ends Dec 10, 2032 · High confidence	In force	Term ends Dec 10, 2032	High confidence
US 12,195,392	Compositions and Methods for Dust Control In force Term ends Mar 10, 2036 · High confidence	In force	Term ends Mar 10, 2036	High confidence
US 10,450,695	Compositions and Methods of Biologically Cemented Structures for Marine Applications In force Term ends Apr 25, 2038 · High confidence	In force	Term ends Apr 25, 2038	High confidence
US 10,626,547	Compositions and Methods of Biologically Cemented Structures for Marine Applications In force Term ends Apr 25, 2038 · High confidence	In force	Term ends Apr 25, 2038	High confidence

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 10 applications pending · 15 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built

Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Biomason, Inc.