Prosecution Insights
Last updated: October 01, 2026

Examiner: ESSEX, LAURA ANN

Tech Center 1600 • Art Units: 1629 1649 1674 1675 1678

This examiner grants 60% of resolved cases

Analysis

Laura Ann Essex is an examiner in Tech Center 1600 and Art Unit 1629 with 114 resolved cases. The allowance rate of 60.5 percent indicates a moderate success rate for applicants, showing that while grants are common, the examination process remains thorough. However, the median days to allowance is 1310, showing that the process can be quite lengthy and requires a long-term commitment from the applicant.

The data shows a significant interview lift of 35.2 percent. This high lift suggests that interviews are an extremely effective strategy for moving cases toward allowance, potentially overcoming the challenges that lead to the 60.5 percent baseline. With 114 resolved cases, the 35.2 percent lift is a strong signal that direct communication can help mitigate the 1310-day wait for an allowance. Practitioners should prioritize interviews to take advantage of this 35.2 percent increase in the probability of a grant.

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

Performance Statistics

60.5%
Allow Rate
+0.5% vs TC avg
149
Total Applications
+35.2%
Interview Lift
1310
Avg Prosecution Days
Based on 114 resolved cases, 2023–2026

Rejection Statute Breakdown

3.0%
§101 Eligibility
13.0%
§102 Novelty
34.5%
§103 Obviousness
33.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18468633 SUPRAMOLECULAR POLYMER THERAPEUTICS AND DIAGNOSTICS Final Rejection The Regents of the University of California
18045981 Thermoresponsive or Shear-Thinning Injectable Gel Compositions for Treatment of Arthritis Non-Final OA GLOBUS MEDICAL, INC.
18531856 GITR ANTAGONISTS AND METHODS OF USING THE SAME Non-Final OA Eli Lilly and Company
16993434 HIGH CONCENTRATION ANTI-C5 FORMULATIONS Non-Final OA Regeneron Pharmaceuticals, Inc.
16825181 MULTIVALENT MONO- OR BISPECIFIC RECOMBINANT ANTIBODIES FOR ANALYTIC PURPOSE Non-Final OA Roche Diagnostics Operations, Inc.
18336282 LABELED POLYPEPTIDE, MODIFIED POLYPEPTIDE, PRODUCTION METHOD FOR THESE POLYPEPTIDES, REAGENT CONTAINING THESE POLYPEPTIDES, AND MEASUREMENT METHOD FOR TARGET SUBSTANCE Non-Final OA SYSMEX CORPORATION
17600957 METHODS OF PREDICTING AND PREVENTING CANCER IN PATIENTS HAVING PREMALIGNANT LESIONS Non-Final OA Trustees of Boston University
18339960 METHODS FOR TREATING MULTIPLE SCLEROSIS WITH OCRELIZUMAB Non-Final OA Hoffmann-La Roche Inc.
18008798 Camptothecin Drug Having High-Stability Hydrophilic Connecting Unit And Conjugate Thereof Non-Final OA SICHUAN BAILI PHARM CO., LTD

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