Prosecution Insights
Last updated: October 26, 2026

Thanh Truc Trinh, USPTO Patent Examiner

Listed by the USPTO as TRINH, THANH TRUC

Tech Center 1700 • Art Units: 1725 1726 1755 1756 1795

This examiner grants 22% of resolved cases

Analysis

TRINH, THANH TRUC is assigned to tech center 1700 and art unit 1725. The examiner has 822 resolved cases, an allowance rate of 22.1%, and a median of 1550 days to allowance. The substantial record shows a low observed allowance outcome and a long median timeline, making early claim strategy and careful prosecution planning important practical considerations.

The interview lift is 10.9%, indicating a limited positive association in the available data. The listed companies are LG Energy Solution Ltd., Canon Inc., and Toyota Motor Corporation. The listed firms are GREENBLUM & BERNSTEIN, P.L.C., Bryan Cave Leighton Paisner LLP (DC), and Cantor Colburn LLP - SABIC Americas. These names provide representative context for the profile.

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

Performance Statistics

22.1%
Allow Rate
-42.9% vs TC avg
888
Total Applications
+10.9%
Interview Lift
1550
Avg Prosecution Days
Based on 822 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
16.6%
§102 Novelty
49.6%
§103 Obviousness
26.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19223330 PHOTOELECTRIC CONVERSION ELEMENT, IMAGING ELEMENT, OPTICAL SENSOR, MANUFACTURING METHOD OF IMAGING ELEMENT, AND COMPOUND Non-Final OA FUJIFILM CORPORATION
16803033 SEMI-TRANSPARENT AND MONOCHROMATIC ORGANIC PHOTOVOLTAIC DEVICES Final Rejection The Regents of the University of Michigan
18489160 PHOTOELECTRIC CONVERSION ELEMENT, AND PHOTOELECTRIC CONVERSION MODULE, PHOTOELECTRIC CONVERSION DEVICE, MOVABLE BODY, AND BUILDING MATERIAL EACH INCLUDING PHOTOELECTRIC CONVERSION ELEMENT Non-Final OA CANON KABUSHIKI KAISHA
18421073 METHOD FOR RECOVERING ELECTRODE MATERIAL Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18517118 PHOTOVOLTAIC POWER GENERATION SYSTEM AND CONVERSION CIRCUIT Final Rejection Huawei Digital Power Technologies Co., Ltd.
18492864 ELECTRONIC DEVICE Final Rejection Panasonic Holdings Corporation
18833378 SEPARATOR FOR ELECTROCHEMICAL DEVICES AND ELECTROCHEMICAL DEVICE COMPRISING SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18716211 Taping Device for Stacked Electrode Assembly and Method for Taping Stacked Electrode Assembly Non-Final OA LG Energy Solution, Ltd.
18702945 Frame Including Guideline and Battery Module Including the Frame Non-Final OA LG Energy Solution, Ltd.
18683589 Battery Module and Battery Pack Including the Same Non-Final OA LG Energy Solution, Ltd.
19298849 SOLAR CELL, SOLAR CELL MODULE AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18842561 PHOTOVOLTAIC MODULE Non-Final OA SHARP KABUSHIKI KAISHA
18424941 BATTERY COMPONENT FABRICATION METHOD AND SYSTEM Non-Final OA Ford Global Technologies, LLC
18400789 EFFICIENT INDOOR PHOTOVOLTAIC CELL BASED ON TWO-DIMENSIONAL MXENE NANOSHEETS AND MANUFACTURING METHOD THEREOF Final Rejection KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
17348221 ORGANIC PHOTODIODE AND INFRARED CMOS SENSOR Non-Final OA MITSUBISHI CHEMICAL CORPORATION
19194917 IBC SOLAR CELL AND PREPARATION METHOD THEREOF, PHOTOVOLTAIC MODULE, AND POWER GENERATION DEVICE Final Rejection TONGWEI SOLAR (CHENGDU) CO., LTD.
18893125 PHOTOVOLTAIC PACKAGING, AND A METHOD FOR MANUFACTURING SUCH A PHOTOVOLTAIC PACKAGING Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18651095 CYLINDRICAL BATTERY CELL INCLUDING SIDE VENT Non-Final OA GM Global Technology Operations LLC
18718123 Positive Electrode Active Material and Positive Electrode Including the Same Non-Final OA LG Chem, Ltd.

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Frequently Asked Questions

What is examiner Thanh Truc Trinh's allowance rate?

22.1% of resolved applications examined by Thanh Truc Trinh were allowed (822 resolved cases), compared with 65.5% across Art Unit 1725 over the last five years.

Does an interview help with examiner Thanh Truc Trinh?

This examiner's interview lift is +10.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thanh Truc Trinh take to allow a patent?

Applications allowed by Thanh Truc Trinh took 1,550 days on average from filing to allowance.

Which art unit does examiner Thanh Truc Trinh work in?

Thanh Truc Trinh examines applications in Art Unit 1725 in Tech Center 1700 (Chemistry & Materials).

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