Patent AnalyticsExaminers
Rankings

Law firm or agent

C. Bruce Hamburg

1,758 applicationsfiled 2006 to 2026

Allowance rate
61%
−14 pts vs the USPTO range 59% to 63%
Rejections before allowance
1.5
level with the USPTO
Months to first action
22.2 mo
+3.6 vs the USPTO
Needed an RCE
24%
−3 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

Unlock the comparison with the officeFree with an account. No card needed.

Create a free account

Trend

Allowance by filing year

Unlock the trendIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Domains

Where the applications fall

CPC subclasses

G11B 84 apps
A61F 56 apps
G01N Investigating or analysing materials46 apps
A61K Medical preparations43 apps
A61B Diagnosis, surgery, identification35 apps
H01M Batteries and fuel cells33 apps

Art units

372548 apps
373235 apps
374831 apps
376328 apps
372327 apps
283726 apps

Rejection fingerprint

What gets rejected, by statute

Share of parsed office actions raising each ground; blue is the USPTO.

Unlock the rejection fingerprintIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

What works

Allowance by strategy used

Unlock what works for this filerIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in

Interviews

Does an interview help?

Unlock the interview figuresFree with an account. No card needed.

Create a free account

Applications

Every application in the record

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19627188PUNCHING JIG AND METHOD2026-09-23Pending00n/a
19624327PUNCHING DEVICE AND LIFT STAGE2026-09-15Pending00n/a
19623929COMBINATION WEIGHING MACHINE2026-09-14Pending00n/a
15627482Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15929134Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15144502Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15980856Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15722036Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15872529Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15541813Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
Unlock all 1,758 applications, each with its full timelineIncluded in Pro, from $29 a month. Cancel any time.

See plans Sign in