Prosecution Insights
Last updated: October 26, 2026

Thomas S Fix, USPTO Patent Examiner

Listed by the USPTO as FIX, THOMAS S

Tech Center 3600 • Art Units: 3618 3658

This examiner grants 72% of resolved cases

Analysis

FIX, THOMAS S handles cases in Tech Center 3600 and Art Unit 3618. His record covers 328 resolved cases, a 72.0% allowance rate, and a median of 840 days to allowance. The profile indicates favorable allowance outcomes with prosecution commonly extending beyond two years.

The interview lift is 16.5%, giving interviews a meaningful role in the available prosecution data. Practitioners may consider using interviews to clarify issues before committing to extensive written amendments. The listed companies are Seiko Epson, Yamaha Motor, and Sony Group. The listed firms are ANDRUS INTELLECTUAL PROPERTY LAW, CALDWELL, and CR MILES.

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

Performance Statistics

72.0%
Allow Rate
+20.0% vs TC avg
368
Total Applications
+16.5%
Interview Lift
840
Avg Prosecution Days
Based on 328 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
33.2%
§102 Novelty
39.3%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19002070 JOINT UNIT Non-Final OA Sony Interactive Entertainment Inc.
19084510 VERTICAL ARTICULATED ROBOT Final Rejection SEIKO EPSON CORPORATION
19084502 ROBOT Final Rejection SEIKO EPSON CORPORATION
18680016 STEERING WHEEL AND STEERING MODULE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18910492 MARINE PROPULSION SYSTEM Non-Final OA Volvo Penta Corporation
19101334 BUOYANT BOARD HAVING A PROPULSION SYSTEM Non-Final OA BOMBARDIER RECREATIONAL PRODUCTS INC.
18961722 BI-DIRECTIONAL ROBOTIC CRAWLER FOR TRANSPORTING A SENSOR SYSTEM ABOUT A STRUCTURE Non-Final OA Honeybee Robotics, LLC
19194501 MACHINE Final Rejection FANUC CORPORATION
19046208 POWER TRANSMISSION DEVICE, AND ROBOT Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.

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Frequently Asked Questions

What is examiner Thomas S Fix's allowance rate?

72.0% of resolved applications examined by Thomas S Fix were allowed (328 resolved cases), compared with 61.7% across Art Unit 3618 over the last five years.

Does an interview help with examiner Thomas S Fix?

This examiner's interview lift is +16.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thomas S Fix take to allow a patent?

Applications allowed by Thomas S Fix took 840 days on average from filing to allowance.

Which art unit does examiner Thomas S Fix work in?

Thomas S Fix examines applications in Art Unit 3618 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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