Prosecution Insights
Last updated: October 01, 2026

Examiner: PHAM, THOMAS T

Tech Center 2800 • Art Units: 1713 1714 1716 1743 2852

This examiner grants 51% of resolved cases

Analysis

Examiner Thomas T Pham works within Tech Center 2800 and Art Unit 1713, having handled 582 resolved cases. The data shows an allowance rate of 51.4 percent, which represents the frequency of grants among resolved applications. The median days to allowance is 1180, providing a benchmark for the duration of the prosecution process for successful applications. This 1180 day median is a consideration for scheduling. The statistics indicate a balanced environment where approximately half of the resolved cases result in a patent.

The interview lift of 15.7 percent indicates the change in allowance probability when an interview is conducted. This lift shows how direct communication with the examiner correlates with prosecution outcomes. With 582 resolved cases as a baseline, the 1180 day pendency is a metric for applicants. Practitioners should evaluate the 15.7 percent lift and the 51.4 percent allowance rate when developing a strategy for Art Unit 1713. The lift offers a path for improving the odds of a grant. Engaging the examiner early may help clarify the scope of the claims and address prior art rejections.

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

Performance Statistics

51.4%
Allow Rate
-16.6% vs TC avg
646
Total Applications
+15.7%
Interview Lift
1180
Avg Prosecution Days
Based on 582 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
15.4%
§102 Novelty
51.3%
§103 Obviousness
31.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18771727 SLURRY COMPOSITION FOR CHEMICAL MECHANICAL METAL POLISHING AND POLISHING METHOD USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18232123 PLASMA CONTROL DEVICE AND PLASMA CONTROL METHOD Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19008224 POLISHING COMPOSITION COMPRISING POLISHING PARTICLES HAVING HIGH WATER AFFINITY Final Rejection NISSAN CHEMICAL CORPORATION
18766908 POLISHING COMPOSITIONS AND METHODS OF USE THEREOF Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18476215 DENTAL APPLIANCES WITH ORNAMENTAL DESIGNS AND ASSOCIATED METHODS Non-Final OA Align Technology, Inc.
18374224 ETCHING PROCESSING METHOD AND ETCHING PROCESSING APPARATUS Final Rejection Hitachi High-Tech Corporation
17908177 PLASMA PROCESSING METHOD Final Rejection Hitachi High-Tech Corporation
16650691 POLISHING SOLUTION, POLISHING SOLUTION SET, AND POLISHING METHOD Non-Final OA HITACHI CHEMICAL COMPANY, LTD.
18044336 TEMPORARY CAPPING MATERIAL FOR OXIDE PREVENTION IN LOW TEMPERATURE DIRECT METAL-METAL BONDING Non-Final OA Lam Research Corporation
18400440 SEMICONDUCTOR DIE AND METHODS OF FORMATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18646459 PLANARIZATION PROCESS AND METHOD Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18534061 UNIFORM GAPFILL DEPOSITION ON SEMICONDUCTOR SUBSTRATES WITH VARYING GEOMETRIES Final Rejection Applied Materials, Inc.
18521948 PLASMA PROCESSING WITH INDEPENDENT TEMPERATURE CONTROL Final Rejection Applied Materials, Inc.
17674127 HIGHLY SELECTIVE SILICON ETCHING Final Rejection Applied Materials, Inc.
18573700 SUBSTRATE PROCESSING METHOD, SUBSTRATE PROCESSING SYSTEM AND COMPUTER-READABLE RECORDING MEDIUM Non-Final OA Tokyo Electron Limited
18564314 FILM FORMATION METHOD AND FILM FORMATION DEVICE Non-Final OA Tokyo Electron Limited
18517206 METHOD AND SYSTEM FOR PLASMA PROCESS Final Rejection Tokyo Electron Limited
18386618 ETCHING METHOD AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18430567 WET ETCH FORMULATIONS AND RELATED METHODS Final Rejection ENTEGRIS, INC.
18187055 ATOMIC LAYER ETCHING OF METAL OXIDES USING NOVEL CO-REACTANTS AS HALOGENATING AGENTS FOR SEMICONDUCTOR FABRICATION Final Rejection North Carolina State University
16645741 METHOD FOR MANUFACTURING DISK-SHAPED GLASS SUBSTRATE, METHOD FOR MANUFACTURING THIN GLASS SUBSTRATE, AND METHOD FOR MANUFACTURING LIGHT-GUIDING PLATE Final Rejection HOYA CORPORATION
18702402 ETCHING METHODS USING SILICON-CONTAINING HYDROFLUOROCARBONS Non-Final OA L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Procédés Georges Claude
18309925 SYSTEMS AND METHODS FOR ENGRAVING OF NANO VOID-DASH METASURFACE INTO SUBSTRATE TO GENERATE BIREFRINGENCE IN THE SURFACE LAYER Final Rejection Lawrence Livermore National Security, LLC
18409615 Functionalized Metal and Nitride CMP Slurry Non-Final OA DuPont Electronic Materials Holding, Inc.

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