Prosecution Insights
Last updated: October 26, 2026

David K O Dell, USPTO Patent Examiner

Listed by the USPTO as O DELL, DAVID K

Tech Center 1600 • Art Units: 1621 1625 1692

This examiner grants 58% of resolved cases

Analysis

O DELL, DAVID K is assigned to tech center 1600 and art unit 1621. The record includes 1348 resolved cases, an allowance rate of 57.7%, and a median of 1004 days to allowance. The interview lift is 36.0%, showing a substantial relationship between interviews and allowance outcomes. The case volume provides a broad base for planning, and the interview measure supports preparing for examiner discussions as part of the standard response strategy.

The listed companies are Canon Inc., AbbVie Inc., and Eli Lilly and Company. The listed firms are LEYDIG VOIT & MAYER, LTD, AMSTER, ROTHSTEIN & EBENSTEIN LLP, and Baker, Donelson, Bearman, Caldwell & Berkowitz, PC. Practitioners may pair targeted interviews with concrete amendments and technical explanations, while maintaining claim alternatives in light of the moderate allowance measure and recorded timing.

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
1,409
Total Applications
+36.0%
Interview Lift
1004
Avg Prosecution Days
Based on 1348 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
18232230 CHIRAL PHOSPHORIC ACIDS IMMOBILIZED ON SOLID SUPPORT FOR THE SELECTIVE PROTECTION OF HYDROXYL GROUPS Final Rejection REGENTS OF THE UNIVERSITY OF MICHIGAN
18691769 BET INHIBITORS FOR TREATING PAB1 DEFICIENT CANCER Final Rejection CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18256548 FLOW SYNTHESIS OF RDX Final Rejection BAE SYSTEMS plc
17923188 IAP ANTAGONIST COMPOUNDS AND INTERMEDIATES AND METHODS FOR SYNTHESIZING THE SAME Final Rejection Otsuka Pharmaceutical Co., Ltd.

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Frequently Asked Questions

What is examiner David K O Dell's allowance rate?

57.7% of resolved applications examined by David K O Dell were allowed (1,348 resolved cases), compared with 46.0% across Art Unit 1621 over the last five years.

Does an interview help with examiner David K O Dell?

This examiner's interview lift is +36.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David K O Dell take to allow a patent?

Applications allowed by David K O Dell took 1,004 days on average from filing to allowance.

Which art unit does examiner David K O Dell work in?

David K O Dell examines applications in Art Unit 1621 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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