Law firm or agent

Eisai, Inc.

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75 applicationsfiled 2007 to 2025

Allowance rate

81%

+6 pts vs the USPTO range 71% to 89%

Rejections before allowance

1.4

−0.2 vs the USPTO

Months to first action

10.9 mo

−7.7 vs the USPTO

Needed an RCE

23%

−4 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

A61K Medical preparations32 apps

C07D Heterocyclic compounds25 apps

C07H 5 apps

C07F 5 apps

C07K Peptides3 apps

C07C 2 apps

Art units

162415 apps

162613 apps

16289 apps

16294 apps

16254 apps

16464 apps

Examiners met

The examiners seen most, and how it went with each

Anna Pagonakis4 apps

75%

Jeffrey H Murray4 apps

100%

Douglas M Willis4 apps

67%

Janet L Coppins4 apps

75%

Karen Cheng3 apps

100%

Rebecca L Anderson3 apps

67%

Heidi L Reese3 apps

100%

Shawquia Jackson3 apps

100%

Bars show the share of decided applications that were allowed.

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Who they file for

Clients with the most applications

Eisai R&D Management Co., Ltd.58 apps

78%

EISAI CO., LTD.7 apps

100%

EISAI CORPORATION OF NORTH AMERICA2 apps

100%

THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM1 apps

100%

John WANG1 apps

n/a

Variation Biotechnologies 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
19599573	Assay Methods to Identify a Disease	2026-06-19	Pending	0	0	n/a
19402426	HERBOXIDIENE ANTIBODY-DRUG CONJUGATES AND METHODS OF USE	2025-11-26	Pending	0	0	n/a
19326512	METHOD FOR SYNTHESIS OF DIAZABICYCLO[6.2.0]DECANE RELATED COMPOUNDS	2025-09-11	Pending	0	0	n/a
15917610	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15948261	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15213845	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15488775	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15882779	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15742736	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15678280	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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