Prosecution Insights
Last updated: October 26, 2026

Joseph W Drodge, USPTO Patent Examiner

Listed by the USPTO as DRODGE, JOSEPH W

Tech Center 1700 • Art Units: 1652 1732 1735 1736 1758 1772 1773 1774 1778 1791

This examiner grants 78% of resolved cases

Analysis

In Tech Center 1700 and Art Unit 1652, DRODGE, JOSEPH W has resolved 2037 cases. The allowance rate is 78.3%, with an interview lift of 38.0%. The median time to allowance is 967 days. The large resolved portfolio supports a substantial record for pattern recognition, showing frequent allowances and a meaningful association between interviews and allowance outcomes.

The leading companies are Tokyo Electron Limited, West Virginia University, and Donaldson Company, Inc. The leading firms are Chrisman Gallo Tochtrop LLC, TROUTMAN PEPPER LOCKE LLP, and Dickinson Wright PLLC - Washington DC. Applicants may combine careful claim drafting with well-prepared interviews, particularly where direct discussion can narrow disputed technical limitations.

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

Performance Statistics

78.3%
Allow Rate
+13.3% vs TC avg
2,079
Total Applications
+38.0%
Interview Lift
967
Avg Prosecution Days
Based on 2037 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
11.4%
§102 Novelty
40.3%
§103 Obviousness
30.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18632595 PROCESSING SYSTEM, AND PROCESSING METHOD Non-Final OA Tokyo Electron Limited
18454948 PROCESSING SYSTEM AND PROCESSING METHOD Non-Final OA Tokyo Electron Limited
18785414 SYSTEMS AND METHODS FOR PRODUCING ULTRAPURE WATER FOR SEMICONDUCTOR FABRICATION PROCESSES Non-Final OA Taiwan Semiconductor Manufacturing Company, LTD.
18652598 APPARATUS AND METHOD FOR TEMPERING SOFT WATER AND/OR PERMEATE FOR A DIALYSIS SYSTEM Non-Final OA B. Braun Avitum AG
18575145 METHOD FOR THE IN SITU REGENERATION OF AN ADSORBENT MEDIUM Non-Final OA SUEZ INTERNATIONAL

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Frequently Asked Questions

What is examiner Joseph W Drodge's allowance rate?

78.3% of resolved applications examined by Joseph W Drodge were allowed (2,037 resolved cases), compared with 53.5% across Art Unit 1652 over the last five years.

Does an interview help with examiner Joseph W Drodge?

This examiner's interview lift is +38.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph W Drodge take to allow a patent?

Applications allowed by Joseph W Drodge took 967 days on average from filing to allowance.

Which art unit does examiner Joseph W Drodge work in?

Joseph W Drodge examines applications in Art Unit 1652 in Tech Center 1700 (Chemistry & Materials).

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