Prosecution Insights
Last updated: October 26, 2026

Brian Butler Geiss, USPTO Patent Examiner

Listed by the USPTO as GEISS, BRIAN BUTLER

Tech Center 2800 • Art Units: 2855 2857 2863

This examiner grants 70% of resolved cases

Analysis

GEISS, BRIAN BUTLER has resolved 73 cases in Tech Center 2800 and Art Unit 2855. The allowance rate is 69.9%, and the median time to allowance is 1162 days. The interview lift is 27.5%, indicating that interviews may be relevant when developing a prosecution approach before this examiner.

The listed companies are Schlumberger Technology Corporation, Halliburton Energy Services Inc., and Samsung Electronics Co., Ltd. The listed firms are BACHMAN & LAPOINTE, P.C., C. Tumey Law Group PLLC - HES, and DUFT & BORNSEN, PC. The resolved-case volume is limited, so the statistics should inform rather than determine application strategy.

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

Performance Statistics

69.9%
Allow Rate
+1.9% vs TC avg
102
Total Applications
+27.5%
Interview Lift
1162
Avg Prosecution Days
Based on 73 resolved cases, 2023–2026

Rejection Statute Breakdown

24.7%
§101 Eligibility
16.7%
§102 Novelty
48.3%
§103 Obviousness
9.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18207510 METHODS AND SYSTEMS OF DETECTING DEFECTS OF WAFER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18720793 OFFSET WELL IDENTIFICATION AND PARAMETER SELECTION Non-Final OA Schlumberger Technology Corporation
17968628 Fast Proxy Model For Well Casing Integrity Evaluation Final Rejection Halliburton Energy Services, Inc.
18401552 EXTERNAL ENVIRONMENT RECOGNITION APPARATUS Non-Final OA Honda Motor Co., Ltd.
18708345 SIGNAL LINEARIZATION IN A MEASUREMENT DEVICE Non-Final OA KONINKLIJKE PHILIPS N.V.
18563537 PLANT MONITORING DEVICE, PLANT MONITORING METHOD, AND PROGRAM Final Rejection MITSUBISHI HEAVY INDUSTRIES, LTD.
17781508 Method and Apparatus for Sensor Measurements Processing Non-Final OA Siemens Aktiengesellschaft
18623274 STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM Non-Final OA Enphase Energy, Inc.

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Frequently Asked Questions

What is examiner Brian Butler Geiss's allowance rate?

69.9% of resolved applications examined by Brian Butler Geiss were allowed (73 resolved cases), compared with 76.8% across Art Unit 2855 over the last five years.

Does an interview help with examiner Brian Butler Geiss?

This examiner's interview lift is +27.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian Butler Geiss take to allow a patent?

Applications allowed by Brian Butler Geiss took 1,162 days on average from filing to allowance.

Which art unit does examiner Brian Butler Geiss work in?

Brian Butler Geiss examines applications in Art Unit 2855 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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