Prosecution Insights
Last updated: October 26, 2026

Stephen Floyd London, USPTO Patent Examiner

Listed by the USPTO as LONDON, STEPHEN FLOYD

Tech Center 3700 • Art Units: 3725 3773 3783 3795

This examiner grants 69% of resolved cases

Analysis

LONDON, STEPHEN FLOYD works in Tech Center 3700 and Art Unit 3725. His record covers 238 resolved cases, with a 69.3% allowance rate and a median of 1116 days to allowance. Interview lift is 37.9%, indicating a strong positive association between interviews and allowance outcomes.

Karl Storz SE & Co. KG, Boston Scientific Corporation, and Covidien L.P. are the listed companies. Casimir Jones, S.C., FENWICK & WEST LLP, and GREENBLUM & BERNSTEIN, P.L.C. are the associated firms. The allowance rate is favorable, but the median timing supports early preparation for prosecution events, with interviews presenting a potentially important avenue for clarifying issues.

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

Performance Statistics

69.3%
Allow Rate
-0.7% vs TC avg
266
Total Applications
+37.9%
Interview Lift
1116
Avg Prosecution Days
Based on 238 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
25.3%
§102 Novelty
36.7%
§103 Obviousness
30.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18748102 ENDOSCOPE SYSTEM Non-Final OA FUJIFILM Corporation
19191852 COMPOSITIONS AND METHODS FOR TREATING KIDNEY STONES Non-Final OA The Regents of the University of Michigan
18626939 METHOD OF MANUFACTURING AN ELONGATED CATHETER HAVING MULTIPLE SENSORS FOR THREE-DIMENSIONAL LOCATION OF THE CATHETER Non-Final OA Covidien LP
19010499 MEDICAL SYSTEMS AND METHODS FOR MONITORING LIMITED USE COMPONENTS Non-Final OA Boston Scientific Scimed, Inc.
18795388 ELECTRONIC ASSEMBLIES FOR MEDICAL DEVICES AND ASSOCIATED METHODS Non-Final OA Boston Scientific Scimed, Inc.
18834478 INTRAORAL CAMERA, ILLUMINATION CONTROL DEVICE, AND ILLUMINATION CONTROL METHOD Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18050132 ENDOSCOPIC IMAGING AND CONTROL SYSTEM Non-Final OA Meditrina, Inc.

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Frequently Asked Questions

What is examiner Stephen Floyd London's allowance rate?

69.3% of resolved applications examined by Stephen Floyd London were allowed (238 resolved cases), compared with 56.5% across Art Unit 3725 over the last five years.

Does an interview help with examiner Stephen Floyd London?

This examiner's interview lift is +37.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stephen Floyd London take to allow a patent?

Applications allowed by Stephen Floyd London took 1,116 days on average from filing to allowance.

Which art unit does examiner Stephen Floyd London work in?

Stephen Floyd London examines applications in Art Unit 3725 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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