Prosecution Insights
Last updated: May 29, 2026

Examiner: ESSEX, LAURA ANN

Tech Center 1600 • Art Units: 1629 1649 1675

This examiner grants 60% of resolved cases

Performance Statistics

59.6%
Allow Rate
At TC average
141
Total Applications
+33.8%
Interview Lift
1259
Avg Prosecution Days
Based on 104 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
2.9%
§102 Novelty
53.1%
§103 Obviousness
13.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17787152 STABILIZATION OF MHC COMPLEXES Non-Final OA The Regents of the University of California
16993434 HIGH CONCENTRATION ANTI-C5 FORMULATIONS Non-Final OA Regeneron Pharmaceuticals, Inc.
18339960 METHODS FOR TREATING MULTIPLE SCLEROSIS WITH OCRELIZUMAB Non-Final OA Hoffmann-La Roche Inc.
17047497 METHODS AND COMPOSITIONS FOR TH9 CELL MEDIATED CANCER TREATMENT Final Rejection The Cleveland Clinic Foundation
17689867 Epigenomic editing and reactivation of targets for the treatment of Fragile X syndrome Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
17272124 COMPOSITIONS AND METHODS OF USING CELL-PENETRATING ANTIBODIES IN COMBINATION WITH IMMUNE CHECKPOINT MODULATORS Final Rejection Yale University
17276757 COMBINATION THERAPIES WITH ANTI-FOLATE RECEPTOR ANTIBODY CONJUGATES Non-Final OA SUTRO BIOPHARMA, INC.
17917174 CROSS-REACTIVE CORONAVIRUS ANTIBODIES AND USES THEREOF Final Rejection TRUSTEES OF DARTMOUTH COLLEGE
17623238 CD38-BINDING AGENTS AND USES THEREOF Non-Final OA Biohaven Therapeutics Ltd.
17920055 INTERFERON ALPHA 2 VARIANTS AND USES THEREOF Non-Final OA UNIVERSITAET DUISBURG-ESSEN
17792378 FENTANYL HAPTENS FOR THE PREPARATION OF A FENTANYL VACCINE Final Rejection The United States of America, as represented by the Secretary, Department of Health and Human Serv
17769916 Extended Half-life G-CSF and GM-CSF Vitamin D Conjugates Non-Final OA RAMEA LLC
16629877 POTASSIUM CHANNEL INHIBITORS Final Rejection MAXION THERAPEUTICS LIMITED

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