Prosecution Insights
Last updated: October 27, 2026

Nhat Chieu Q Do, USPTO Patent Examiner

Listed by the USPTO as DO, NHAT CHIEU Q

Tech Center 3700 • Art Units: 3723 3724 3799

This examiner grants 64% of resolved cases

Analysis

DO, NHAT CHIEU Q handles matters in Tech Center 3700 and Art Unit 3723. The record includes 652 resolved cases, a 64.0% allowance rate, and a median of 1015 days to allowance. The 48.7% interview lift is a prominent feature, indicating that interviews are associated with materially improved allowance outcomes.

The listed companies are MILWAUKEE ELECTRIC TOOL Corporation, The Gillette Company LLC, and Illinois Tool Works Inc. The leading firms are DORITY & MANNING, P.A. and MILWAUKEE ELECTRIC TOOL, FisherBroyles, LLP, and ANDRUS INTELLECTUAL PROPERTY LAW, LLP. Counsel may benefit from prioritizing interview preparation alongside written claim analysis.

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

Performance Statistics

64.0%
Allow Rate
-6.0% vs TC avg
737
Total Applications
+48.7%
Interview Lift
1015
Avg Prosecution Days
Based on 652 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
21.9%
§102 Novelty
41.7%
§103 Obviousness
35.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18390762 METHOD FOR MANUFACTURING OUT PLATE FOR REFRIGERATOR Non-Final OA LG Electronics Inc.
18819302 SAW BLADE Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18792736 STRING TRIMMERS Non-Final OA Milwaukee Electric Tool Corporation
18645444 POLE SAW WITH LOW PROFILE Non-Final OA Milwaukee Electric Tool Corporation
18645440 SCRENCH HOLDERS AND TOOLS HAVING SCRENCH HOLDERS Final Rejection Milwaukee Electric Tool Corporation
18520680 DUST CONTAINMENT DEVICE FOR A CHAINSAW Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18514496 LUBRICATION SYSTEM FOR OUTDOOR TOOL Final Rejection Milwaukee Electric Tool Corporation
18235145 CHAINSAWS HAVING CHAIN TENSIONING BIASING ELEMENTS Final Rejection Milwaukee Electric Tool Corporation
19102249 Circular Saw Blade and Hand-Held Power Tool Non-Final OA Robert Bosch GmbH
19558117 HIGH STIFFNESS BOOSTER WITH COMPLIANT SUPPORT TABS AT NODE OR ANTINODE POSITIONS AND ULTRASONIC WELDING APPARATUS INCLUDING SAME Non-Final OA Dukane IAS, LLC
18772072 BANDSAW Final Rejection BLACK & DECKER INC.
17912206 CUTTING DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19048263 FOOD PRODUCT SLICER AND ASSOCIATED SHARPENER ASSEMBLY Non-Final OA ILLINOIS TOOL WORKS INC.
18535154 METHODS AND MACHINE TOOL ASSEMBLIES FOR PERFORMING OPERATIONS ON WORKPIECES AND GRIPPER ATTACHMENTS FOR MACHINE TOOL ASSEMBLIES Non-Final OA The Boeing Company
18878189 A HAIR CUTTING DEVICE AND AN ATTACHMENT THEREFORE Non-Final OA KONINKLIJKE PHILIPS N.V.
18270912 HAIR CUTTER CAP AND HAIR CUTTER WITH CAP Non-Final OA KONINKLIJKE PHILIPS N.V.
18762035 HANDHELD POWER TOOL AND ONE-HANDED SAW Non-Final OA Nanjing Chervon Industry Co., Ltd.
18519466 POLE CHAIN SAW Final Rejection Nanjing Chervon Industry Co., Ltd.
19027518 SHAVING RAZOR SYSTEM Non-Final OA The Gillette Company LLC
19027383 SHAVING RAZOR SYSTEM Non-Final OA The Gillette Company LLC
18231037 SHAVING RAZOR CARTRIDGE Final Rejection The Gillette Company LLC
18198945 NON-FLUORINATED ORGANIC COATING MATERIAL FOR A RAZOR BLADE Final Rejection The Gillette Company LLC
19001013 STRUCTURED ABRASIVE ARTICLE WITH IMPROVED BACKING Non-Final OA Saint-Gobain Abrasifs
18933285 SiC INGOT AND METHOD FOR MANUFACTURING SiC SUBSTRATE Non-Final OA Resonac Corporation
18984570 NON-CONTACT PAD CLEANING APPARATUS Non-Final OA EBARA CORPORATION
18854010 METHOD FOR MANUFACTURING BY MACHINING AN OPHTHALMIC DEVICE Non-Final OA ESSILOR INTERNATIONAL
18787386 METHOD OF GRINDING WAFER Non-Final OA DISCO CORPORATION
18536706 DEVICE WITH ROTATING BLADES, MACHINE COMPRISING SAID DEVICE, AND RELATED METHOD Non-Final OA Valmet Tissue Converting S.p.A.
18707861 WATER SUPPLY DEVICE FOR BLADE Final Rejection Mikasa Sangyo Co., Ltd.

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Frequently Asked Questions

What is examiner Nhat Chieu Q Do's allowance rate?

64.0% of resolved applications examined by Nhat Chieu Q Do were allowed (652 resolved cases), compared with 56.5% across Art Unit 3723 over the last five years.

Does an interview help with examiner Nhat Chieu Q Do?

This examiner's interview lift is +48.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nhat Chieu Q Do take to allow a patent?

Applications allowed by Nhat Chieu Q Do took 1,015 days on average from filing to allowance.

Which art unit does examiner Nhat Chieu Q Do work in?

Nhat Chieu Q Do examines applications in Art Unit 3723 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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