Prosecution Insights
Last updated: October 02, 2026

Examiner: BARRERA, IMMACULADA

Tech Center 1600 • Art Units: 1671 1672

This examiner grants 31% of resolved cases

Analysis

Immaculada Barrera is an examiner in Tech Center 1600 and Art Unit 1671. She has 29 resolved cases. Her allowance rate is 31.0 percent. The median days to allowance for her cases is 1306. This 1306-day figure provides a timeline for applicants to expect when their cases are granted.

The interview lift for this examiner is 80.0 percent. This 80.0 percent lift is an increase when compared to the 31.0 percent baseline. It suggests that cases involving an interview have a higher probability of allowance than those that do not. For practitioners in Art Unit 1671, this data point indicates that direct communication is an effective strategy.

With 29 resolved cases, the data for this examiner is established. The allowance rate and median pendency describe the typical outcome and timing for her docket. The interview lift is a significant metric, showing a statistical benefit to conducting an interview during the prosecution process.

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

Performance Statistics

31.0%
Allow Rate
-29.0% vs TC avg
69
Total Applications
+80.0%
Interview Lift
1306
Avg Prosecution Days
Based on 29 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
11.7%
§102 Novelty
32.9%
§103 Obviousness
29.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18080639 VACCINES BASED ON MUTANT CALR AND JAK2 AND THEIR USES Final Rejection Janssen Biotech, Inc.
18017955 ADENOVIRUS VECTORS AND METHODS FOR USING ADENOVIRUS VECTORS Final Rejection Mayo Foundation for Medical Education and Research
18561266 PROTEIN ANTIGEN-BINDING MOLECULES Non-Final OA National University of Singapore
18262522 PNMA2-BASED CAPSIDS AND USES THEREOF Final Rejection University Of Utah Research Foundation
18042955 HUMAN ANTIBODY OR ANTIGEN-BINDING FRAGMENT THEREOF AGAINST CORONAVIRUS SPIKE PROTEIN Non-Final OA The University of Tokyo
18021262 Pharmaceutical Composition Comprising Hepatitis B Virus-Derived Polypeptide for Prevention or Treatment of Cancer Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18555940 A VACCINE ADJUVANT FOR INFECTIOUS DISEASES Non-Final OA University of Cincinnati
18255748 A PROCESS AND A KIT FOR DETECTION OF CORONAVIRUS AND OTHER RESPIRATORY VIRUSES Final Rejection Council of Scientific and Industrial Research

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