Company or institution

FibroGen, Inc.

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108 applicationsfiled 2006 to 2025

Allowance rate

56%

−19 pts vs the USPTO range 47% to 65%

Rejections before allowance

1.3

−0.3 vs the USPTO

Months to first action

10.6 mo

−8.0 vs the USPTO

Needed an RCE

14%

−13 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 preparations48 apps

C07D Heterocyclic compounds25 apps

C07K Peptides22 apps

A61B Diagnosis, surgery, identification5 apps

C12N Microorganisms or enzymes3 apps

A61L 1 apps

Art units

164727 apps

162525 apps

162912 apps

162710 apps

16285 apps

16134 apps

Examiners met

The examiners seen most, and how it went with each

Marianne P Allen19 apps

42%

Zinna Northington Davis19 apps

95%

Michael J Schmitt10 apps

90%

Regina M Deberry6 apps

33%

Timothy P Thomas5 apps

Yong Soo Chong5 apps

60%

Aurora M Fontainhas3 apps

33%

Blessing M Fubara3 apps

33%

Bars show the share of decided applications that were allowed.

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Who represents them

Law firms and agents on their applications

FibroGen, Inc.67 apps

49%

DLA Piper LLP (US) / Kyntra Bio35 apps

74%

TROUTMAN PEPPER LOCKE LLP3 apps

BUCHANAN, INGERSOLL & ROONEY PC1 apps

ICE MILLER LLP1 apps

n/a

Lewis Roca Rothgerber Christie LLP1 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
19104957	ANTI-CCR8 ANTIBODIES AND USES THEREOF	2025-02-19	Pending	0	0	n/a
18728812	TREATMENT FOR CONGESTIVE HEART FAILURE	2024-07-12	Abandoned	0	0	n/a
18317195	ENHANCED ERYTHROPOIESIS AND IRON METABOLISM	2023-05-15	Abandoned	1	0	28.2 mo
15797027	Method and apparatus for adaptive signal processing	2012-01-10	Allowed	1	0	12.0 mo
15198275	Composition and method for controlled release	2015-02-11	Abandoned	4	1	23.0 mo
15118009	Distributed ledger transaction verification	2018-03-12	Allowed	3	0	20.0 mo
15305993	Thermal management of battery assemblies	2021-04-13	Pending	2	1	17.0 mo
15176612	Machine learning model for anomaly detection	2012-05-14	Allowed	1	0	14.0 mo
15426826	Wireless power transfer coil arrangement	2015-06-15	Abandoned	4	1	25.0 mo
15433752	Catalyst for selective hydrogenation	2018-07-16	Allowed	3	0	22.0 mo

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