16 patents currently held

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

The next term ends in Dec 2034. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Dec 2034

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036 2037 2038 2039 2040 20412042204320442045

notable patents all others Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 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

Compositions and Methods for Detecting Rare Sequence Variants US 10,767,222

The most cited patent in this portfolio, cited by 65 later US patents, top 5% of utility patents granted in 2020 in our data. Protection runs to 2036. A terminal disclaimer caps this term to an earlier patent's.

Ends Feb 2036 · High confidence Also notable

Method of Improved Sequencing by Strand Identification US 11,427,866

Cited by 11 later US patents, top 10% of utility patents granted in 2022 in our data. Protection runs to 2039.

Ends Mar 2039 · High confidence Also notable

Compositions and Methods for Detecting Rare Sequence Variants US 11,643,683

Cited by 6 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2037. A terminal disclaimer caps this term to an earlier patent's.

Ends Aug 2037 · Low 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.

1 fee due Jul 2, 2027
The maintenance fee for Methods and Compositions for Enrichment of Amplification Products (US 11,859,246) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nov 10Assignment recorded on 1 record: Accuragen Holdings Limited to Accuscan Sciences Inc. Recorded Nov 10, 2026, executed Dec 19, 2025. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76704, frame 900.

What they patent

The 5 largest of its 6 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Compositions and Methods for Detecting Rare Sequence Variants (2016)	7 in force	to Mar 2037
Compositions and Methods for Detecting Rare Sequence Variants (2017)	3 in force	to Aug 2037
Compositions and Methods Comprising Asymmetric Barcoding	2 in force	to Feb 2040
Method of Improved Sequencing by Strand Identification	2 in force	to Mar 2039
Methods and Compositions for Forming Ligation Products	1 in force	to Jun 2041

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 11,286,519	Methods and Compositions for Enrichment of Amplification Products In force Term ends Dec 11, 2034 · High confidence	In force	Term ends Dec 11, 2034	High confidence
US 11,597,973	Compositions and Methods for Detecting Rare Sequence Variants In force Term ends Dec 11, 2034 · High confidence	In force	Term ends Dec 11, 2034	High confidence
US 11,859,246	Methods and Compositions for Enrichment of Amplification Products In force Term ends Dec 11, 2034 · High confidence	In force	Term ends Dec 11, 2034	High confidence
US 12,234,512	Compositions and Methods for Detecting Rare Sequence Variants In force Term ends Dec 11, 2034 · High confidence	In force	Term ends Dec 11, 2034	High confidence
US 10,767,222	Compositions and Methods for Detecting Rare Sequence Variants In force Term ends Feb 7, 2036 · High confidence	In force	Term ends Feb 7, 2036	High confidence
US 10,752,942	Methods and Compositions for Enrichment of Amplification Products In force Term ends Oct 7, 2036 · High confidence	In force	Term ends Oct 7, 2036	High confidence
US 11,578,359	Methods and Compositions for Enrichment of Amplification Products In force Term ends Mar 4, 2037 · High confidence	In force	Term ends Mar 4, 2037	High confidence
US 10,155,980	Compositions and Methods for Detecting Rare Sequence Variants In force Term ends Aug 15, 2037 · High confidence	In force	Term ends Aug 15, 2037	High confidence
US 10,724,088	Compositions and Methods for Detecting Rare Sequence Variants In force Term ends Aug 15, 2037 · High confidence	In force	Term ends Aug 15, 2037	High confidence
US 11,643,683	Compositions and Methods for Detecting Rare Sequence Variants In force Term ends Aug 15, 2037 · Low confidence	In force	Term ends Aug 15, 2037	Low 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: 13 applications pending · 3 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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Accuscan Sciences Inc.