Prosecution Insights
Last updated: October 27, 2026

Claudia Edilma Espinosa, USPTO Patent Examiner

Listed by the USPTO as ESPINOSA, CLAUDIA EDILMA

Tech Center 1600 • Art Units: 1624 1654

This examiner grants 51% of resolved cases

Analysis

ESPINOSA, CLAUDIA EDILMA is assigned to tech center 1600 and art unit 1624. The profile covers 57 resolved cases, with an allowance rate of 50.9%. The median time to allowance is 1382 days. The limited record calls for caution in drawing broad conclusions, while the allowance rate is close to an even division and the median timeline is extended.

The interview lift is 56.1%, the strongest positive association in this profile. Mayo Foundation for Medical Education and Research, The Regents of the University of Michigan, and City University of Hong Kong are the listed top companies. The top firms are BALLARD SPAHR LLP, BOZICEVIC, FIELD & FRANCIS LLP, and BROWN RUDNICK LLP. Counsel may give interviews serious consideration when a direct discussion can resolve technical or claim-scope issues.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

50.9%
Allow Rate
-9.1% vs TC avg
99
Total Applications
+56.1%
Interview Lift
1382
Avg Prosecution Days
Based on 57 resolved cases, 2023–2026

Rejection Statute Breakdown

5.4%
§101 Eligibility
15.0%
§102 Novelty
36.3%
§103 Obviousness
31.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17413861 LACHNOSPIRACEAE MITIGATES AGAINST RADIATION-INDUCED HEMATOPOIETIC/GASTROINTESTINAL INJURY AND DEATH, AND PROMOTES CANCER CONTROL BY RADIATION Non-Final OA The Regents of the University of Michigan
17619025 PREVOTELLA PREPARATIONS AND TREATING CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) AND OTHER LUNG CONDITIONS Non-Final OA Mayo Foundation for Medical Education and Research
18162927 METHODS FOR TREATING AMBLYOPIA Final Rejection City University of Hong Kong
17625866 CLOSTRIDIA CONSORTIA COMPOSITIONS AND METHODS OF TREATING OBESITY, METABOLIC SYNDROME AND IRRITABLE BOWEL DISEASE Final Rejection University of Utah Research Foundation
18869591 GLYCOSYLATED CYCLIC ENDOMORPHIN ANALOGS Final Rejection ARIZONA BOARD OF REGENTS on behalf of the UNIVERSITY OF ARIZONA
17598119 CARBONIC ANHYDRASE VARIANTS FOR IMPROVED CO2 CAPTURE Non-Final OA SAIPEM S.P.A.
17556857 PURIFICATION OF FVIII FROM PLASMA USING SILICON OXIDE ADSORPTION Final Rejection Takeda Pharmaceutical Company Limited
18606023 ENGINEERED ANTIMICROBIAL PEPTIDES AND USAGE THEREOF Non-Final OA Peptilogics, Inc.

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Claudia Edilma Espinosa's allowance rate?

50.9% of resolved applications examined by Claudia Edilma Espinosa were allowed (57 resolved cases), compared with 54.6% across Art Unit 1624 over the last five years.

Does an interview help with examiner Claudia Edilma Espinosa?

This examiner's interview lift is +56.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Claudia Edilma Espinosa take to allow a patent?

Applications allowed by Claudia Edilma Espinosa took 1,382 days on average from filing to allowance.

Which art unit does examiner Claudia Edilma Espinosa work in?

Claudia Edilma Espinosa examines applications in Art Unit 1624 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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