Sartorius Bioanalytical Instruments, Inc.

68 patents currently held · Updated Nov 15, 2026

1 more in force is now held by another company

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

Recorded under 5 name spellings.

Ending by 2030

Jan 2027

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 Jan 25, 2027
The maintenance fee for Liquid flourescent dye concentrate for flow cytometry evaluation of virus-size particles and related products and methods (US 11,709,116) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
2 fees due Feb 15 to 22, 2027 · next Feb 15
2 fees due Mar 10 to 17, 2027 · next Mar 10
1 fee due Apr 30, 2027
The maintenance fee for Computational model for analyzing images of a biological specimen (US 11,803,963) comes due Apr 30, 2027. Unpaid by Nov 1, 2027, it lapses early.
2 fees due May 7 to 12, 2027 · next May 7
1 fee due Jun 30, 2027
The maintenance fee for Flow cytometer signal peak identification employing dynamic thresholding (US 10,520,420) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
1 fee due Jul 28, 2027
The maintenance fee for Flow cytometry evaluation of biological material for exosome particles (US 10,545,084) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
1 fee due Aug 18, 2027
The maintenance fee for Single Injection Competition Assays (US 10,564,093) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
1 fee due Sep 10, 2027
The maintenance fee for Evaluating biological material for unassociated virus-like particles (US 10,585,030) comes due Sep 10, 2027. Unpaid by Mar 10, 2028, it lapses early.
1 fee due Oct 28, 2027
The maintenance fee for Methods and Apparatus for Perfusion and Environment Control of Microplate Labware (US 10,633,624) comes due Oct 28, 2027. Unpaid by Apr 28, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026

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 8,647,588	Tip tray assembly for optical sensors In force Term ends Jan 1, 2027 · From the USPTO record	In force	Term ends Jan 1, 2027	From the USPTO record
US 8,298,496	Fluidic Configuration for Flow Injection Analysis In force Term ends Apr 2, 2028 · High confidence	In force	Term ends Apr 2, 2028	High confidence
US D722,515	Particle analyzer In force Term ends Feb 17, 2029 · From the USPTO record	In force	Term ends Feb 17, 2029	From the USPTO record
US 9,012,235	Multi-Sample Particle Analyzer and Method for High Throughput Screening In force Term ends Apr 24, 2029 · Medium confidence	In force	Term ends Apr 24, 2029	Medium confidence
US 10,031,061	Flow measurement and control for improved quantification of particles in flow cytometry In force Term ends May 13, 2029 · From the USPTO record	In force	Term ends May 13, 2029	From the USPTO record
US 10,705,007	Flow measurement and control for improved quantification of particles in flow cytometry In force Ends no later than May 13, 2029 · From the USPTO record	In force	Ends no later than May 13, 2029	From the USPTO record
US D737,703	Particle analyzer In force Term ends Sep 1, 2029 · From the USPTO record	In force	Term ends Sep 1, 2029	From the USPTO record
US D746,433	Flow cytometer In force Term ends Dec 29, 2029 · From the USPTO record	In force	Term ends Dec 29, 2029	From the USPTO record
US 8,823,943	System and method for separating samples in a continuous flow In force Term ends Feb 8, 2031 · From the USPTO record	In force	Term ends Feb 8, 2031	From the USPTO record
US D787,701	Flow cytometer system shelf unit In force Term ends May 23, 2031 · From the USPTO record	In force	Term ends May 23, 2031	From the USPTO record

10 of 68 patents shown.

Pro members see all 68.

Pro members: see all 68 patents

Also on record, not counted in the 68: 1 patent in force now held by others · 1 lapsed for an unpaid fee · 7 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.

7 pending · 2 no status recorded

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