Prosecution Insights
Last updated: October 02, 2026

Examiner: FRASER, STEWART A

Tech Center 1700 • Art Units: 1721 1723 1724 1737 1795

This examiner grants 86% of resolved cases

Analysis

Stewart A. Fraser is an experienced examiner in Tech Center 1700 and Art Unit 1721, with 1363 resolved cases. He maintains an allowance rate of 85.9%, which is a high figure for this tech center. The median days to allowance is 904, providing a benchmark for applicants. The 1363 resolved cases demonstrate a high volume of consistent examination.

The interview lift of 14.5% indicates that personal engagement is a valuable tactic. When added to the 85.9% baseline allowance rate, an interview can be a decisive factor in prosecution. Practitioners should view the 904-day median pendency as the standard timeframe for success. The 14.5% lift suggests that the examiner is receptive to oral arguments, which can complement the 85.9% allowance rate to secure a grant within 904 days.

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

Performance Statistics

85.9%
Allow Rate
+20.9% vs TC avg
1,370
Total Applications
+14.5%
Interview Lift
904
Avg Prosecution Days
Based on 1363 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
22.2%
§102 Novelty
48.6%
§103 Obviousness
18.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18578342 ELECTRONIC DEVICE MANUFACTURING AQUEOUS SOLUTION, METHOD FOR MANUFACTURING RESIST PATTERN AND METHOD FOR MANUFACTURING DEVICE Non-Final OA Merck Patent GmbH
18562363 THICK FILM RESIST COMPOSITION AND METHOD FOR MANUFACTURING RESIST FILM USING THE SAME Non-Final OA Merck Patent GmbH
18582661 ON-PRESS DEVELOPMENT TYPE LITHOGRAPHIC PRINTING PLATE PRECURSOR, METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATE, AND LITHOGRAPHIC PRINTING METHOD Non-Final OA FUJIFILM CORPORATION
18417298 HARDMASK COMPOSITION, HARDMASK LAYER AND METHOD OF FORMING PATTERNS Non-Final OA SAMSUNG SDI CO., LTD.
18614445 EUV LITHOGRAPHY MASK BLANKS, EUV MASKS AND METHODS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18417128 PELLICLE FOR EUV APPLICATIONS Non-Final OA Taiwan Semiconductor Manufacturing Company, LTD.
18360853 EXTREME ULTRAVIOLET LITHOGRAPHY METHOD AND EUV PHOTOMASK Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18568071 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18403811 REFLECTION TYPE MASK BLANK AND METHOD FOR MANUFACTURING SAME Non-Final OA AGC Inc.
18692007 SUBSTRATE WITH MULTILAYER REFLECTIVE FILM REFLECTIVE MASK BLANK, REFLECTIVE MASK, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA HOYA CORPORATION
18620810 PELLICLE FILM, PELLICLE, AND METHOD FOR MEASURING STANDARD DEVIATION OF ORIENTATION ANGLE OF CARBON NANOTUBES INCLUDED IN PELLICLE FILM Non-Final OA LINTEC Corporation
18568131 PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN FILM, PHOTOSENSITIVE DRY FILM, AND PATTERN FORMATION METHOD Non-Final OA Shin-Etsu Chemical Co., Ltd.
18407259 Evacuated Gratings and Methods of Manufacturing Non-Final OA DigiLens Inc.
18292027 POSITIVE RESIST COMPOSITION Non-Final OA ZEON CORPORATION
18435588 Compound Having Unsaturated Double Bond, Composition Comprising The Compound, Polybenzoxazole, And Polybenzoxazole Film For Semiconductor Device Non-Final OA Nippon Kayaku Kabushiki Kaisha
18574367 RADIATION-SENSITIVE COMPOSITION, RESIST PATTERN FORMATION METHOD, POLYMER, AND COMPOUND Non-Final OA JSR CORPORATION
18395922 NOVEL ORGANOTIN SILICATE COMPOUNDS, PREPARATION METHODS THEREOF AND PHOTORESIST COMPOSITION CONTAINING THE SAME Non-Final OA INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY

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