Prosecution Insights
Last updated: October 27, 2026

William Addison Geisbert, USPTO Patent Examiner

Listed by the USPTO as GEISBERT, WILLIAM ADDISON

Tech Center 1700 • Art Units: 1754 1779

This examiner grants 38% of resolved cases

Analysis

GEISBERT, WILLIAM ADDISON has resolved 26 cases in Tech Center 1700 and Art Unit 1754. The allowance rate is 38.5%, while the median time to allowance is 1243 days. The recorded interview lift is 51.4%, indicating that interviews are a significant feature of the observed prosecution outcomes.

The companies represented in the docket include BASF SE, Pentair, Inc., and Qingdao University Of Technology. The leading firms are Knobbe, Martens, Olson & Bear, LLP, ANDRUS INTELLECTUAL PROPERTY LAW, LLP, and BakerHostetler. The limited resolved-case volume warrants care when using these figures to plan an individual application.

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

Performance Statistics

38.5%
Allow Rate
-26.5% vs TC avg
68
Total Applications
+51.4%
Interview Lift
1243
Avg Prosecution Days
Based on 26 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
17.1%
§102 Novelty
54.2%
§103 Obviousness
24.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17925996 MANAGEMENT METHOD FOR WATER TREATMENT DEVICE, REPLACEMENT METHOD FOR WATER TREATMENT MEMBER, AND LIFE EXPECTANCY ESTIMATION METHOD FOR WATER TREATMENT MEMBER Non-Final OA KUBOTA CORPORATION
18270322 METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE Final Rejection BASF SE
18015645 METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE Non-Final OA BASF SE
18706825 WATER TREATMENT WITH PHOTOCATALYTIC TECHNOLOGY Non-Final OA The Regents of the University of California
17729940 METAL-ORGANIC FRAMEWORKS FOR p-Cresyl SULFATE ADSORPTION Final Rejection Colorado State University Research Foundation

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Frequently Asked Questions

What is examiner William Addison Geisbert's allowance rate?

38.5% of resolved applications examined by William Addison Geisbert were allowed (26 resolved cases), compared with 37.7% across Art Unit 1754 over the last five years.

Does an interview help with examiner William Addison Geisbert?

This examiner's interview lift is +51.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William Addison Geisbert take to allow a patent?

Applications allowed by William Addison Geisbert took 1,243 days on average from filing to allowance.

Which art unit does examiner William Addison Geisbert work in?

William Addison Geisbert examines applications in Art Unit 1754 in Tech Center 1700 (Chemistry & Materials).

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