Law firm or agent

Sigma-Aldrich Co. LLC

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148 applicationsfiled 2006 to 2025

Allowance rate

46%

−30 pts vs the USPTO range 37% to 54%

Rejections before allowance

2.7

+1.1 vs the USPTO

Months to first action

19.5 mo

+0.9 vs the USPTO

Needed an RCE

38%

+10 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 enzymes66 apps

C12Q Measuring or testing processes involving enzymes or nucleic acids18 apps

C07K Peptides9 apps

A61K Medical preparations9 apps

B01J 8 apps

C07H 6 apps

Art units

163626 apps

163719 apps

165612 apps

169912 apps

16327 apps

OPAP6 apps

Examiners met

The examiners seen most, and how it went with each

Jennifer Ann Dunston25 apps

43%

Docket Central6 apps

n/a

Kagnew H Gebreyesus6 apps

33%

Michael C Wilson5 apps

Nancy J Leith5 apps

60%

Teresa E Strzelecka4 apps

Jennifer A Smith3 apps

100%

Celine X Qian3 apps

Bars show the share of decided applications that were allowed.

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Who they file for

Clients with the most applications

SIGMA-ALDRICH CO. LLC132 apps

46%

Merck Patent GmbH5 apps

Glycobac, LLC2 apps

100%

Mirus Bio LLC2 apps

n/a

EMD Millipore Corporation1 apps

n/a

SIGMS-ALDRICH CO. LLC1 apps

UNIVERSITY COLLEGE CORK - NATIONAL UNIVERSITY OF IRELAND, CORK1 apps

100%

WASHINGTON UNIVERSITY1 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
19627601	METHODS AND COMPOSITIONS FOR IMPROVEMENT OF BASE EDITOR AND HOMOLOGY DIRECTED REPAI…	2026-09-24	Pending	0	0	n/a
19620560	METHOD AND COMPOSITIONS FOR QUANTIFICATION OF BASE EDITOR PROTEIN ACTIVITY	2026-09-02	Pending	0	0	n/a
19620765	N-HETEROCYCLIC CARBENE TRANSITION METAL COMPOUNDS AND THEIR APPLICATION IN CATALYSIS	2026-09-02	Pending	0	0	n/a
15479757	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15760133	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15325606	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15971547	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15190527	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15445010	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15814376	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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