Law firm or agent

Klarquist Sparkman, LLP (ViaCyte, Inc.)

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141 applicationsfiled 2007 to 2026

Allowance rate

77%

+1 pts vs the USPTO range 68% to 83%

Rejections before allowance

2.2

+0.6 vs the USPTO

Months to first action

14.8 mo

−3.8 vs the USPTO

Needed an RCE

36%

+9 pts vs the USPTO

Timeline

Applications by filing year: drag across the years to study a period

Allowed in green, abandoned in red, pending in grey. The figures above and the charts that can be recomputed by filing year follow the span you pick.

Compared with the office

Against every applicant before the USPTO

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Trend

Allowance by filing year

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Domains

Where the applications fall

CPC subclasses

C12N Microorganisms or enzymes67 apps

A61K Medical preparations45 apps

A61L 9 apps

A61F 5 apps

A61M Devices for introducing media into the body5 apps

A61D 3 apps

Art units

163271 apps

163315 apps

OPAP14 apps

165312 apps

16515 apps

16314 apps

Examiners met

The examiners seen most, and how it went with each

David A Montanari38 apps

86%

Docket Central14 apps

n/a

Allison M Fox11 apps

70%

Michael C Wilson8 apps

63%

Shin Lin Chen8 apps

88%

Jennifer Suzanne Spence6 apps

100%

Valarie E Bertoglio5 apps

100%

Anoop Kumar Singh4 apps

25%

Bars show the share of decided applications that were allowed.

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Who they file for

Clients with the most applications

ViaCyte, Inc.95 apps

79%

Vertex Pharmaceuticals Incorporated41 apps

68%

Asterias Biotherapeutics, Inc.1 apps

Bars show the share of decided applications that were allowed.

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Rejection fingerprint

What gets rejected, by statute

Share of parsed office actions raising each ground; blue is the USPTO.

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What works

Allowance by strategy used

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Interviews

Does an interview help?

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Applications

Every application in the record

Application	Title	Filed	Status	Rejections	RCEs	To 1st action
19654053	METHODS OF ENHANCING STEM CELL DIFFERENTIATION INTO BETA CELLS	2026-04-21	Pending	0	0	n/a
19654067	METHODS OF ENHANCING STEM CELL DIFFERENTIATION INTO BETA CELLS	2026-04-21	Pending	0	0	n/a
19571087	CRYOPRESERVED ENDOCRINE CELLS THAT EXPRESS CHROMOGRANIN A	2026-03-18	Pending	0	0	n/a
15761074	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15204827	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15699314	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15868392	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15871762	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15419657	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15751955	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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