Prosecution Insights
Last updated: May 29, 2026

Examiner: O DELL, DAVID K

Tech Center 1600 • Art Units: 1621 1625

This examiner grants 58% of resolved cases

Performance Statistics

57.8%
Allow Rate
-2.2% vs TC avg
1,386
Total Applications
+35.8%
Interview Lift
1003
Avg Prosecution Days
Based on 1338 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
6.4%
§102 Novelty
41.8%
§103 Obviousness
18.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18015671 CYCLIC CYANOENONE DERIVATIVES AS MODULATORS OF KEAP1 Non-Final OA MERCK SHARP & DOHME LLC
17132937 DONOR-ACCEPTOR TYPE STABLE THERMALLY ACTIVATED DELAYED FLUORESCENT MATERIALS BASED ON RIGID MOLECULAR STRUCTURE DESIGN Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18264413 INTRAMOLECULAR CYCLIZATION FOR GENERAL SYNTHESIS OF BICYCLIC ALKYL BIOISOSTERE BORONATES Non-Final OA The Board of Regents of The University of Texas System
16885467 Novel method of treating dystonia Final Rejection KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18256548 FLOW SYNTHESIS OF RDX Non-Final OA BAE SYSTEMS plc
18287897 Therapeutics for Hyponatremia and Polycystic Kidney Disease Non-Final OA University of Cincinnati
18232230 CHIRAL PHOSPHORIC ACIDS IMMOBILIZED ON SOLID SUPPORT FOR THE SELECTIVE PROTECTION OF HYDROXYL GROUPS Non-Final OA REGENTS OF THE UNIVERSITY OF MICHIGAN
18565484 METHOD FOR TREATING IDH INHIBITOR-RESISTANT SUBJECTS Non-Final OA Eli Lilly and Company
18161380 Heteroatom-Containing Silane Compound Non-Final OA Henkel AG & Co. KGaA
18555058 COMBINATION THERAPY COMPRISING A PKC INHIBITOR AND A MEK INHIBITOR Non-Final OA PFIZER, INC.
18276532 QUINAZOLIN-4-ONE AND THIENO[2,3-D]PYRIMIDIN-4-ONE INHIBITORS OF ERBB4 (HER4) FOR USE IN THE TREATMENT OF CANCER Non-Final OA UNIVERSITEIT ANTWERPEN
17916484 INDOLE DERIVATIVES AS ALPHA-1-ANTITRYPSIN MODULATORS FOR TREATING ALPHA-1-ANTITRYPSIN DEFICIENCY (AATD) Non-Final OA Vertex Pharmaceuticals Incorporated
18608369 ARYLAMIDE DERIVATIVE HAVING ANTITUMOR ACTIVITY Final Rejection Chugai Seiyaku Kabushiki Kaisha
18407053 SUBSTITUTED BENZOFURAN, BENZOPYRROLE, BENZOTHIOPHENE, AND STRUCTURALLY RELATED COMPLEMENT INHIBITORS Final Rejection BioCryst Pharmaceuticals, Inc
18565704 PHARMACEUTICAL PREPARATION FOR PREVENTING OR TREATING PULMONARY FIBROSIS Non-Final OA J2H BIOTECH INC.
18013696 OXADIAZOLE COMPOUND, PREPARATION METHOD THEREFOR, PHARMACEUTICAL COMPOSITION AND USE THEREOF Non-Final OA SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
18276269 Tricyclic Derivatives Useful As PARP7 Inhibitors Non-Final OA JACOBIO PHARMACEUTICALS CO., LTD.
18276342 PRODRUG COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA MINGHUI PHARMACEUTICAL (SHANGHAI) LIMITED
18264468 ARYL ETHER COMPOUNDS AS TEAD MODULATORS Non-Final OA Merck Sharp& Dohme LLC
18017939 MANUFACTURING OF DIMERIC CONTRAST AGENTS Non-Final OA BRACCO IMAGING S.P.A.
18089265 PROCESSES AND INTERMEDIATES FOR THE PREPARATIONS OF CARBOPROST AND CARBOPROST TROMETHAMINE, AND CARBOPROST TROMETHAMINE PREPARED THEREFROM Final Rejection CHIROGATE INTERNATIONAL INC.
17595761 TUNGSTEN IMIDO ALKYLIDENE O-BITET AND O-BINOL COMPLEXES AND USE THEREOF IN OLEFIN METATHESIS REACTIONS Non-Final OA Verbio SE
17774263 PROCESS TO CONTINUOUSLY PREPARE A CYCLIC CARBONATE Final Rejection NEW GREEN WORLD B.V.

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