Prosecution Insights
Last updated: October 02, 2026

Examiner: ESPINOSA, CLAUDIA EDILMA

Tech Center 1600 • Art Units: 1624 1654

This examiner grants 51% of resolved cases

Analysis

Claudia Edilma Espinosa has 53 resolved cases in Tech Center 1600 and Art Unit 1624. Her allowance rate is 50.9 percent. The median time to allowance for these cases is 1366 days. This 1366 days figure indicates that successful prosecution typically takes several years with this examiner.

The interview lift is 57.7 percent, which is very high. This indicates that interviews are a highly effective way to improve the chances of an allowance. For the 53 cases in this profile, the 57.7 percent lift suggests that direct communication is often the key to a successful outcome. Practitioners should use the 50.9 percent allowance rate as a baseline and consider the 57.7 percent lift as a primary strategy for overcoming rejections. The 1366 days median pendency highlights the need for effective tactics like interviews to move cases toward a grant. This 57.7 percent lift is a decisive factor for applicants.

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
89
Total Applications
+57.7%
Interview Lift
1366
Avg Prosecution Days
Based on 53 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
15.2%
§102 Novelty
34.6%
§103 Obviousness
30.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17619025 PREVOTELLA PREPARATIONS AND TREATING CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) AND OTHER LUNG CONDITIONS Non-Final OA Mayo Foundation for Medical Education and Research
17609495 Composition and Concentrate for Use in Preparation of Dialysis Solution, Corresponding Dialysis Solution and Combinations Comprising Container Final Rejection Fresenius Medical Care Deutschland GmbH
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
17605283 BONE-SPECIFIC COMPLEX COMPRISING BONE CELL TRANSFORMATION RECOMBINANT PROTEIN AND BONE-TARGETING MOLECULE Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18606023 ENGINEERED ANTIMICROBIAL PEPTIDES AND USAGE THEREOF Non-Final OA Peptilogics, Inc.
17293833 ENGINEERED EXTRACELLULAR VESICLES AND USES THEREOF Final Rejection LONZA SALES AG

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