Law firm or agent

Mayer Brown LLP

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327 applicationsfiled 2006 to 2026

Allowance rate

50%

−25 pts vs the USPTO range 45% to 56%

Rejections before allowance

2.0

+0.5 vs the USPTO

Months to first action

17.1 mo

−1.5 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

A61K Medical preparations145 apps

G06Q Data processing for administrative, commercial, financial purposes21 apps

A61B Diagnosis, surgery, identification17 apps

B65B 14 apps

C07K Peptides8 apps

H04L Transmission of digital information7 apps

Art units

161232 apps

161818 apps

161514 apps

161113 apps

373113 apps

162810 apps

Examiners met

The examiners seen most, and how it went with each

Benjamin J Packard9 apps

67%

Lakshmi Sarada Channavajjala9 apps

11%

Gollamudi S Kishore5 apps

40%

Michael P Cohen5 apps

60%

Celeste A Roney5 apps

100%

Barbara Summons4 apps

75%

Zenab O Olabowale4 apps

100%

Neal Sereboff4 apps

75%

Bars show the share of decided applications that were allowed.

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Who they file for

Clients with the most applications

MALLINCKRODT LLC32 apps

41%

INDAG Pouch Partners GmbH19 apps

89%

ENDO PHARMACEUTICALS INC.12 apps

33%

MALLINCKRODT INTERNATIONAL FINANCE S.A.10 apps

80%

MICRONAS GMBH8 apps

38%

KARSON MANAGEMENT (BERMUDA) LIMITED7 apps

43%

THE UNIVERSITY OF BRITISH COLUMBIA7 apps

86%

VASCULAR THERAPIES, INC.7 apps

33%

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
19449811	EDIBLE CAN HOLDER WITH FLAPS	2026-01-15	Pending	0	0	n/a
19235565	AUTOMATED METHOD AND DEVICE FOR PRODUCTION OF LEAD 212 FOR USE IN TARGETED ALPHA-PA…	2025-06-11	Pending	0	0	n/a
19063494	Playless Hinge System with Releasable Hinge Pin	2025-02-26	Pending	1	0	14.5 mo
15703839	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15391055	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15607230	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15920127	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15142241	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15596503	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15850484	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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