Patent AnalyticsExaminers
Rankings

Company or institution

Amphastar Pharmaceuticals, Inc.

29 applicationsfiled 2015 to 2025

Allowance rate
70%
−5 pts vs the USPTO range 52% to 84%
Rejections before allowance
2.0
+0.4 vs the USPTO
Months to first action
13.7 mo
−4.9 vs the USPTO
Needed an RCE
25%
−2 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 preparations20 apps
C07D Heterocyclic compounds2 apps
G01N Investigating or analysing materials2 apps
C07J 1 apps
A61J 1 apps
C07H 1 apps

Art units

16546 apps
16112 apps
16242 apps
37852 apps
16292 apps
16162 apps

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

ApplicationTitleFiledStatusRejectionsRCEsTo 1st action
19265888ALBUTEROL AEROSOL SUSPENSION FORMULATION FOR ORAL INHALATION WITH HIGH AMOUNT OF GR…2025-07-10Allowed101.3 mo
19011043ALBUTEROL AEROSOL SUSPENSION FORMULATION FOR ORAL INHALATION WITH HIGH AMOUNT OF GR…2025-01-06Allowed101.6 mo
18790336STABLE EPINEPHRINE SUSPENSION FORMULATION FOR INHALATION WITH HFO PROPELLANT2024-07-31Allowed109.1 mo
15270137Method and apparatus for adaptive signal processing2012-01-10Allowed1012.0 mo
15401432Composition and method for controlled release2015-02-11Abandoned4123.0 mo
15307898Distributed ledger transaction verification2018-03-12Allowed3020.0 mo
15906705Thermal management of battery assemblies2021-04-13Pending2117.0 mo
15263266Machine learning model for anomaly detection2012-05-14Allowed1014.0 mo
15706169Wireless power transfer coil arrangement2015-06-15Abandoned4125.0 mo
15280474Catalyst for selective hydrogenation2018-07-16Allowed3022.0 mo
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