Law firm or agent

Polypore International, LLC

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130 applicationsfiled 2007 to 2026

Allowance rate

71%

−4 pts vs the USPTO range 58% to 81%

Rejections before allowance

5.0

+3.5 vs the USPTO

Months to first action

26.0 mo

+7.4 vs the USPTO

Needed an RCE

77%

+50 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

H01M Batteries and fuel cells102 apps

B01D 9 apps

B29C Shaping or joining of plastics5 apps

B32B 4 apps

C09D 2 apps

H01G 1 apps

Art units

OPAP28 apps

172713 apps

172510 apps

17239 apps

17248 apps

17217 apps

Examiners met

The examiners seen most, and how it went with each

Docket Central27 apps

n/a

Nathanael T Zemui5 apps

33%

Docket Stage3 apps

n/a

Nicholas P D'aniello3 apps

100%

Lilia V Nedialkova3 apps

n/a

Muhammad S Siddiquee2 apps

100%

Scott J Chmielecki2 apps

100%

Anca Eoff2 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

Celgard, LLC78 apps

74%

Daramic, LLC43 apps

67%

ASAHI KASEI KABUSHIKI KAISHA5 apps

67%

ENTEGRIS, INC.2 apps

n/a

ACF FINCO I LP, AS SUCCESSOR AGENT1 apps

100%

DARAMIC, LLC (F/K/A/ DARAMIC, 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
19624423	FILTRATION MEMBRANES	2026-09-15	Pending	0	0	n/a
19613557	COATED SEPARATOR AND RELATED METHODS	2026-08-07	Pending	0	0	n/a
19606960	BATTERY SEPARATORS, BATTERY GELATION COMPOSITE SUBSTRATES, BATTERY SEPARATOR COATED…	2026-07-16	Pending	0	0	n/a
15660375	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15185552	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15309219	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15507346	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15206109	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15128064	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15744034	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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