Prosecution Insights
Last updated: April 19, 2026

Examiner: O DELL, DAVID K

Tech Center 1600 • Art Units: 1621 1625

This examiner grants 58% of resolved cases

Performance Statistics

57.6%
Allow Rate
-2.4% vs TC avg
1376
Total Applications
+35.9%
Interview Lift
1037
Avg Prosecution Days
Based on 1333 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
15.8%
§102 Novelty
32.9%
§103 Obviousness
28.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18015671 CYCLIC CYANOENONE DERIVATIVES AS MODULATORS OF KEAP1 Non-Final OA MERCK SHARP & DOHME LLC
18013380 METHODS AND INTERMEDIATES FOR PREPARING JAK INHIBITORS Non-Final OA Sun Pharmaceutical Industries, Inc.
18333039 METAL-ASSISTED DELAYED FLUORESCENT EMITTERS EMPLOYING PYRIDO-PYRROLO-ACRIDINE AND ANALOGUES Final Rejection Arizona Board of Regents on behalf of Arizona State University
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
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
18005161 METHOD FOR PRODUCING OPTICALLY ACTIVE COMPOUND Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED
18161380 Heteroatom-Containing Silane Compound Non-Final OA Henkel AG & Co. KGaA
17774763 SUBSTITUTED THIAZOLE AROMATIC RING-BASED COMPOUND AND PREPARATION METHOD THEREFOR, HERBICIDAL COMPOSITION AND USE THEREOF Non-Final OA QINGDAO KINGAGROOT CHEMICAL COMPOUND CO., LTD.
18555058 COMBINATION THERAPY COMPRISING A PKC INHIBITOR AND A MEK INHIBITOR Non-Final OA PFIZER, INC.
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
17757389 METHOD FOR PRODUCING DIMETHYL TEREPHTHALATE FROM POLYESTER METHANOLYSIS DEPOLYMERIZATION SYSTEMS Final Rejection Eastman Chemical Company
18565704 PHARMACEUTICAL PREPARATION FOR PREVENTING OR TREATING PULMONARY FIBROSIS Non-Final OA J2H BIOTECH INC.
18555291 TEAD INHIBITORS Non-Final OA ORION CORPORATION
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
18040962 COMPLEMENT FACTOR B INHIBITOR, AND PHARMACEUTICAL COMPOSITION, PREPARATION METHOD AND USE THEREOF Non-Final OA SHANGHAI MEIYUE BIOTECH DEVELOPMENT CO. LTD
18265191 BROAD SPECTRUM ANTIVIRAL COMPOUNDS TARGETING THE SKI COMPLEX Non-Final OA UNIVERSITY OF MARYLAND, BALTIMORE
17999179 PROCESS OF PREPARING BUTYL-(5S)-5-({2-[4-(BUTOXYCARBONYL)PHENYL]ETHYL}[2-(2-{[3-CHLORO-4'-(TRIFLUOROMETHYL)[BIPHENYL]-4-YL]METHOXY}PHENYL)ETHYL]AMINO)-5,6,7,8-TETRAHYDROQUINOLINE-2-CARBOXYLATE Non-Final OA BAYER PHARMA AKTIENGESELLSCHAFT
18257773 MODULATORS OF G PROTEIN-COUPLED RECEPTOR 88 Non-Final OA ACADIA Pharmaceuticals Inc.
17774263 PROCESS TO CONTINUOUSLY PREPARE A CYCLIC CARBONATE Final Rejection NEW GREEN WORLD B.V.
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.

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