Prosecution Insights
Last updated: October 02, 2026

Examiner: MOSELEY II, NELSON B

Tech Center 1600 • Art Units: 1642 1671

This examiner grants 68% of resolved cases

Analysis

Nelson B Moseley II is an examiner in Tech Center 1600 and Art Unit 1642. He has 628 resolved cases, with an allowance rate of 68.0 percent. The median days to allowance is 1140. These figures suggest a moderate probability of success and a relatively long period for prosecution in this unit.

The interview lift is 41.5 percent, which is a significant metric. This figure indicates that interviews are a powerful tool for obtaining an allowance with this examiner. A 41.5 percent lift suggests that many cases are successfully resolved through direct communication compared to the 68.0 percent baseline. Practitioners should prioritize interviews given this data.

The 628 resolved cases provide a reliable dataset for Art Unit 1642. The allowance rate and 1140 day median are important for managing client expectations. The interview lift is the most significant metric for practitioners to consider when developing their prosecution strategy for this examiner.

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

Performance Statistics

68.0%
Allow Rate
+8.0% vs TC avg
668
Total Applications
+41.5%
Interview Lift
1140
Avg Prosecution Days
Based on 628 resolved cases, 2023–2026

Rejection Statute Breakdown

6.5%
§101 Eligibility
10.3%
§102 Novelty
34.4%
§103 Obviousness
28.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18143749 Use of Anti-EGFR/Anti-Met Antibody to Treat Liver Cancer Non-Final OA Janssen Biotech, Inc.
18504041 ANTI-LY6G6D ANTIBODIES AND METHODS OF USE Non-Final OA Genentech, Inc.
17759382 SELF-ASSEMBLING PRODRUGS AS IMMUNE BOOSTERS FOR CANCER IMMUNOTHERAPY Non-Final OA THE JOHNS HOPKINS UNIVERSITY
17813100 COMBINATION OF CHECKPOINT INHIBITORS AND AN ONCOLYTIC VIRUS FOR TREATING CANCER Final Rejection Regeneron Pharmaceuticals, Inc.
18324773 Zwitterion Polymer-Drug Conjugates Non-Final OA University of Utah Research Foundation
18048747 DUAL TARGETED IMMUNE REGULATING COMPOSITIONS Non-Final OA Seismic Therapeutic, Inc.
18316739 Antibody Constructs for CLDN18.2 and CD3 Final Rejection AMGEN INC.
17480504 Means and Methods for Treating Tumorous Diseases Final Rejection AMGEN RESEARCH (MUNICH) GMBH
19011427 TIL EXPANSION FROM FINE NEEDLE ASPIRATES AND SMALL BIOPSIES Non-Final OA Iovance Biotherapeutics, Inc.
18392127 METHODS AND COMPOSITIONS FOR TREATING CANCER Non-Final OA Memorial Sloan Kettering Cancer Center
18062871 BINDING MOLECULES THAT MODULATE A BIOLOGICAL ACTIVITY EXPRESSED BY A CELL Final Rejection Merus N.V.

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