Law firm or agent

Alexion Pharmaceuticals, Inc.

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132 applicationsfiled 2006 to 2025

Allowance rate

57%

−19 pts vs the USPTO range 48% to 65%

Rejections before allowance

1.4

−0.2 vs the USPTO

Months to first action

13.9 mo

−4.7 vs the USPTO

Needed an RCE

15%

−12 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 preparations79 apps

C07D Heterocyclic compounds24 apps

C12N Microorganisms or enzymes15 apps

A61P Therapeutic activity of compounds8 apps

G16B Bioinformatics3 apps

C07K Peptides2 apps

Art units

164419 apps

162518 apps

162812 apps

165812 apps

16419 apps

16527 apps

Examiners met

The examiners seen most, and how it went with each

Michael Edward Szperka24 apps

73%

Fred H Reynolds11 apps

40%

Zinna Northington Davis9 apps

100%

Todd Matthew Epstein6 apps

Daniel Michael Podgorski5 apps

40%

Docket Central4 apps

n/a

David K O Dell4 apps

25%

Taofiq A Solola4 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

Alexion Pharmaceuticals, Inc.54 apps

59%

Portola Pharmaceuticals, Inc.42 apps

38%

MILLENNIUM PHARMACEUTICALS, INC.27 apps

74%

Carroll Scarborough5 apps

60%

ACHILLION PHARMACEUTICALS, INC.2 apps

100%

Carroll Anna Crew Scarborough1 apps

100%

Selventa, Inc.1 apps

100%

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
19628260	KIDNEY ACTIVE FUSION PROTEINS AND METHODS OF TREATMENT USING THE SAME	2026-09-25	Pending	0	0	n/a
19625030	RISK EVALUATION AND MANAGEMENT STRATEGY INVOLVING PATIENT FOLLOW-UPS RELATING TO TH…	2026-09-17	Pending	0	0	n/a
19527292	TREATMENT OF INTRACRANIAL HEMORRHAGE	2026-04-09	Pending	0	0	n/a
15443970	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15686043	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15741222	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15288783	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15177528	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15848958	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15163299	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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