Law firm or agent

Cheng Law Group, PLLC

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1,168 applicationsfiled 2006 to 2025

Allowance rate

64%

−11 pts vs the USPTO range 61% to 67%

Rejections before allowance

1.6

level with the USPTO

Months to first action

20.2 mo

+1.6 vs the USPTO

Needed an RCE

27%

level with 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

B32B 190 apps

G01N Investigating or analysing materials71 apps

H10P 62 apps

A61K Medical preparations49 apps

A61B Diagnosis, surgery, identification46 apps

G01T 34 apps

Art units

1787100 apps

288442 apps

288237 apps

178135 apps

178333 apps

178627 apps

Examiners met

The examiners seen most, and how it went with each

Cheng Yuan Huang30 apps

37%

Krupa Shukla16 apps

25%

Anthony J Calandra16 apps

31%

Dhirajlal S Nakarani15 apps

100%

Prashant J Khatri11 apps

73%

Kiho Kim10 apps

80%

Ramsey E Zacharia10 apps

80%

Tahseen Khan10 apps

80%

Bars show the share of decided applications that were allowed.

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Who they file for

Clients with the most applications

SEKISUI CHEMICAL CO., LTD.352 apps

59%

SHIMADZU CORPORATION217 apps

74%

NITTO DENKO CORPORATION76 apps

55%

PANASONIC CORPORATION57 apps

46%

PANASONIC ELECTRIC WORKS CO., LTD.52 apps

83%

COSMED PHARMACEUTICAL CO., LTD.49 apps

50%

NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.28 apps

100%

NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.26 apps

88%

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
19515730	ORAL LOCALIZED APPLICATION SYSTEM	2026-03-02	Pending	0	0	n/a
19511648	MICRONEEDLE ARRAY	2026-02-16	Pending	0	0	n/a
19511677	TRANSDERMAL ABSORPTION PREPARATION HAVING IMPROVED DRUG SKIN PERMEABILITY	2026-02-16	Pending	0	0	n/a
15832554	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15654482	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15851170	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15876618	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15145778	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15808969	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15188566	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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