Prosecution Insights
Last updated: October 27, 2026

Andrew D Stclair, USPTO Patent Examiner

Listed by the USPTO as STCLAIR, ANDREW D

Tech Center 3700 • Art Units: 2100 2178 3743 3749 3753 3754 3799

This examiner grants 60% of resolved cases

Analysis

Andrew D. Stclair examines cases in Art Unit 2100 within Tech Center 3700. With 406 resolved cases, the examiner has a 60.1% allowance rate. The median days to allowance is 1110, reflecting the timeline for this technical area.

The interview lift is 25.6%, indicating that direct communication with the examiner is a strategy for increasing the probability of a grant. Top companies include Zhejiang Sunny Optics Co. Ltd., Zhejiang Dunan Artificial Environment Co., Ltd., and Seiko Epson Corporation.

Firms such as Grogan, Tuccillo & Vanderleeden, LLP and The Sun IP Law are top representatives. Practitioners should focus on the 25.6% lift to improve upon the 60.1% allowance rate and navigate the 1110-day median pendency across 406 resolved cases.

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

Performance Statistics

60.1%
Allow Rate
-9.9% vs TC avg
543
Total Applications
+25.6%
Interview Lift
1110
Avg Prosecution Days
Based on 406 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
16.0%
§102 Novelty
46.3%
§103 Obviousness
31.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18736600 ROBOT ARM Non-Final OA SEIKO EPSON CORPORATION
18605866 ROBOT AND ROBOT SYSTEM Non-Final OA SEIKO EPSON CORPORATION
18510691 ROBOT Non-Final OA SEIKO EPSON CORPORATION
18387064 ROBOT Non-Final OA SEIKO EPSON CORPORATION
18080762 CONTROL METHOD FOR PIEZOELECTRIC MOTOR, PIEZOELECTRIC MOTOR, AND ROBOT WITH PIEZOELECTRIC MOTOR Non-Final OA SEIKO EPSON CORPORATION
17979803 ROBOT CONTROL METHOD AND ROBOT Non-Final OA SEIKO EPSON CORPORATION
17952364 DRIVE UNIT AND ROBOT Final Rejection SEIKO EPSON CORPORATION
17895096 VIBRATION GENERATING DEVICE AND PICKUP SYSTEM Non-Final OA SEIKO EPSON CORPORATION
17874322 COPING WORK DISPLAY METHOD, RECORDING MEDIUM, AND ROBOT SYSTEM Final Rejection SEIKO EPSON CORPORATION
17723502 FORCE DETECTION APPARATUS AND ROBOT SYSTEM Non-Final OA SEIKO EPSON CORPORATION
17666584 TEACHING DEVICE, TEACHING METHOD, AND RECORDING MEDIUM Non-Final OA SEIKO EPSON CORPORATION
18578746 Electronic Water Pump Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18568856 Anti-Disassembly Connector Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18568857 Anti-disassembly connector Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18284081 Stop Valve Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18281577 Electric Valve Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18279400 Reversing Valve, and Assembly Method of Reversing Valve Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18276057 Reversing Valve Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18030500 Valve Needle Assembly and Electronic Expansion Valve Having Same Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18028767 Flow Regulating Valve Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18027915 FLOW REGULATING VALVE Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18027917 Flow Regulating Valve Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18011199 Heat Exchange Flat Tube and Heat Exchanger Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
17801520 Heat Exchanger Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
17768858 Gas-Liquid Separator and Compression System Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
17767470 Gas-Liquid Separator and Compression System Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
17623261 Solenoid Valve Coil Non-Final OA ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
17603008 Recombinant microorganism for producing L-valine, construction method and application thereof Non-Final OA TIANJIN INSTITUTE OF INDUSTRIAL BIOTECHNOLOGY CHINESE ACADEMY OF SCIENCES

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Frequently Asked Questions

What is examiner Andrew D Stclair's allowance rate?

60.1% of resolved applications examined by Andrew D Stclair were allowed (406 resolved cases), compared with 38.8% across Art Unit 2100 over the last five years.

Does an interview help with examiner Andrew D Stclair?

This examiner's interview lift is +25.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Andrew D Stclair take to allow a patent?

Applications allowed by Andrew D Stclair took 1,110 days on average from filing to allowance.

Which art unit does examiner Andrew D Stclair work in?

Andrew D Stclair examines applications in Art Unit 2100 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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