Prosecution Insights
Last updated: August 18, 2026

Examiner: PUTTLITZ, KARL J

Tech Center 1600 • Art Units: 1621 1642 1643 1646 1671

This examiner grants 69% of resolved cases

Performance Statistics

69.1%
Allow Rate
+9.1% vs TC avg
1,480
Total Applications
+18.5%
Interview Lift
931
Avg Prosecution Days
Based on 1424 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
11.5%
§102 Novelty
36.5%
§103 Obviousness
28.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18461191 MATERIALS AND METHODS FOR IMPROVED SINGLE CHAIN VARIABLE FRAGMENTS Non-Final OA Janssen Biotech, Inc.
18029798 GENE CORRECTION FOR X-CGD IN HEMATOPOIETIC STEM AND PROGENITOR CELLS Non-Final OA THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
18237210 SITE-SPECIFIC QUANTITATION OF DRUG CONJUGATIONS Final Rejection Regeneron Pharmaceuticals, Inc.
17611758 Metabolite Delivery for Modulating Metabolic Pathways of Cells Final Rejection Arizona Board of Regents on Behalf of Arizona State University
18319279 SITE-SPECIFIC GLYCOENGINEERING OF TARGETING MOIETIES Non-Final OA Genzyme Corporation
17093486 RIBONUCLEOPROTEIN TRANSFECTION AGENTS Final Rejection LIFE TECHNOLOGIES CORPORATION
17627613 METHOD OF TREATING NEOPLASTIC DISEASES WITH A CDC42-SPECIFIC INHIBITOR Non-Final OA Children's Hospital Medical Center
17927225 LIQUID FORMULATION OF LONG-ACTING CONJUGATE OF GLP-2 Final Rejection HANMI PHARM. CO., LTD.
17759139 VACCINATION AGAINST ANTIGENS INDUCED IN PATHOGEN-INFECTED CELLS Non-Final OA University of Miami
18258343 Therapeutic RNA for Treating Cancer Final Rejection BioNTech SE
18427293 PYRROLOBENZODIAZEPINE-ANTIBODY CONJUGATES AND USES THEREOF Non-Final OA MEDIMMUNE LIMITED

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