Prosecution Insights
Last updated: October 01, 2026

Examiner: O DELL, DAVID K

Tech Center 1600 • Art Units: 1621 1625

This examiner grants 58% of resolved cases

Analysis

David K. O Dell works in Art Unit 1621 within Tech Center 1600. He has a high volume of 1346 resolved cases with an allowance rate of 57.7 percent. The median days to allowance is 1004, which suggests a consistent timeline for reaching an allowance. Practitioners should expect a prosecution period that spans many days in Tech Center 1600.

The interview lift is 36.0 percent, showing that interviews are a strong strategy to improve upon the 57.7 percent baseline. For the 1346 cases resolved, the 1004-day median pendency is a reliable metric for planning. Practitioners should prioritize interviews to leverage the 36.0 percent lift and improve their chances in Art Unit 1621. The 57.7 percent allowance rate indicates a fair probability of success for applicants seeking patents under this examiner.

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

Performance Statistics

57.7%
Allow Rate
-2.3% vs TC avg
1,399
Total Applications
+36.0%
Interview Lift
1004
Avg Prosecution Days
Based on 1346 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
14.4%
§102 Novelty
34.5%
§103 Obviousness
30.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18520315 ORGANIC METAL COMPLEX AND ORGANIC LIGHT EMITTING ELEMENT Non-Final OA CANON KABUSHIKI KAISHA
18232230 CHIRAL PHOSPHORIC ACIDS IMMOBILIZED ON SOLID SUPPORT FOR THE SELECTIVE PROTECTION OF HYDROXYL GROUPS Final Rejection REGENTS OF THE UNIVERSITY OF MICHIGAN
18161380 Heteroatom-Containing Silane Compound Final Rejection Henkel AG & Co. KGaA
18565484 METHOD FOR TREATING IDH INHIBITOR-RESISTANT SUBJECTS Non-Final OA Eli Lilly and Company
18264413 INTRAMOLECULAR CYCLIZATION FOR GENERAL SYNTHESIS OF BICYCLIC ALKYL BIOISOSTERE BORONATES Non-Final OA The Board of Regents of The University of Texas System
17923188 IAP ANTAGONIST COMPOUNDS AND INTERMEDIATES AND METHODS FOR SYNTHESIZING THE SAME Final Rejection Otsuka Pharmaceutical Co., Ltd.
18288977 METHOD FOR PREPARING TERTIARY AMINE WITH SECONDARY AMINE AS RAW MATERIAL Non-Final OA ZHEJIANG UNIVERSITY
18555058 COMBINATION THERAPY COMPRISING A PKC INHIBITOR AND A MEK INHIBITOR Non-Final OA PFIZER, INC.
18287897 Therapeutics for Hyponatremia and Polycystic Kidney Disease Non-Final OA University of Cincinnati
18691769 BET INHIBITORS FOR TREATING PAB1 DEFICIENT CANCER Non-Final OA CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18262913 METHOD FOR THE PRODUCTION OF D-ERYTHRO-SPHINGOSINE AND ANALOGS THEREOF Final Rejection CarboCode S.A.
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
18696213 INHIBITORS OF SERINE/THREONINE PROTEIN KINASE STK3 OR STK4 AND USES THEREOF Non-Final OA Sanford Burnham Prebys Medical Discovery Institute
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 Final Rejection BAYER PHARMA AKTIENGESELLSCHAFT
17612155 ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME Non-Final OA ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

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