Prosecution Insights
Last updated: October 27, 2026

Rowland Do, USPTO Patent Examiner

Listed by the USPTO as DO, ROWLAND

Tech Center 3600 • Art Units: 3677

This examiner grants 70% of resolved cases

Performance Statistics

70.0%
Allow Rate
+18.0% vs TC avg
882
Total Applications
-5.3%
Interview Lift
880
Avg Prosecution Days
Based on 819 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
34.8%
§102 Novelty
38.8%
§103 Obviousness
21.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18383347 ARTICLE OF FOOTWEAR HAVING A CLOSURE SYSTEM Non-Final OA PUMA SE
18857050 ADDITIONAL WIRING FIXING MEMBER AND WIRING FIXING STRUCTURE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19034366 STRAP FASTENING APPARATUS Non-Final OA ABB SCHWEIZ AG
18332386 OBJECT BUNDLING APPARATUS Non-Final OA ABB Schweiz AG
18948092 Luggage Ring Assembly Final Rejection Illinois Tool Works Inc.
18629070 Multi-Piece Modular Retainer Assembly Non-Final OA Illinois Tool Works Inc.
19035098 SLIDE FASTENER PULL TAB WITH PULL TAB AUXILIARY PART ROTATABLY ASSEMBLED AND DISASSEMBLED, AND SLIDE FASTENER SLIDER Non-Final OA YKK CORPORATION
19026484 FASTENER STOP STRUCTURE AND FASTENER Non-Final OA YKK CORPORATION
18632918 SURFACE FASTENER Non-Final OA YKK Corporation
18294916 HOOK-TO-HOOK FASTENER Non-Final OA YKK CORPORATION
18417784 Cord Restraint for Electrical Cords and Medical Tubing Restraint for Medical Tubing Final Rejection Individual inventor

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Frequently Asked Questions

What is examiner Rowland Do's allowance rate?

70.0% of resolved applications examined by Rowland Do were allowed (819 resolved cases), compared with 55.1% across Art Unit 3677 over the last five years.

Does an interview help with examiner Rowland Do?

This examiner's interview lift is -5.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rowland Do take to allow a patent?

Applications allowed by Rowland Do took 880 days on average from filing to allowance.

Which art unit does examiner Rowland Do work in?

Rowland Do examines applications in Art Unit 3677 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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