Prosecution Insights
Last updated: October 02, 2026

Examiner: HOLLWEG, THOMAS A

Tech Center 4100 • Art Units: 1737 2800 2828 2874 2879 2883 4100

This examiner grants 53% of resolved cases

Analysis

Thomas A. Hollweg is an examiner in Tech Center 4100 and Art Unit 1737. He has 473 resolved cases. The allowance rate is 53.3 percent. This 53.3 percent rate suggests a moderate level of difficulty for applicants. The interview lift is 31.5 percent. This 31.5 percent lift indicates that interviews are a beneficial strategy for overcoming rejections. Practitioners should consider the 31.5 percent lift when deciding whether to request a formal discussion with the examiner.

The median days to allowance is 1119. This 1119-day timeline provides a benchmark for the expected length of the prosecution process. The 473 resolved cases offer a reliable data set for these statistics. The 53.3 percent allowance rate is higher than the 31.5 percent interview lift. This comparison shows that while the baseline is moderate, the lift from an interview is a significant factor in successful outcomes. The 1119-day median is a key timing metric for Art Unit 1737. These 473 cases reflect the examiner's established record.

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

Performance Statistics

53.4%
Allow Rate
-6.6% vs TC avg
507
Total Applications
+31.4%
Interview Lift
1119
Avg Prosecution Days
Based on 474 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
25.0%
§102 Novelty
53.5%
§103 Obviousness
19.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18559176 DISPLAY SUBSTRATE AND METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE Final Rejection BOE TECHNOLOGY GROUP CO., LTD.
18750460 OPTICAL FIBER CABLE Non-Final OA FUJIFILM Healthcare Corporation
18362308 TECHNOLOGIES FOR OPTICAL INTERPOSER MATING WITH PHOTONIC INTEGRATED CIRCUIT DIES Non-Final OA Intel Corporation
18723607 RESIN COMPOSITION, OPTICAL FIBER, METHOD FOR PRODUCING OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL FIBER CABLE Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18818359 PUSH-BUTTON ACTUATOR USED IN FIBER OPTIC TERMINALS HAVING AN OPTICAL CONNECTION PORT Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18635500 OPTICAL FIBER CABLE HAVING ONE OR MORE CABLE COMPONENTS WITH LAYER-BY-LAYER FLAME RETARDANT COATING Final Rejection CORNING RESEARCH & DEVELOPMENT CORPORATION
18674720 CASCADING ARRANGEMENT OF SLOT WAVEGUIDE-BASED BRAGG GRATING FILTERS IN DEMULTIPLEXING APPLICATIONS Non-Final OA Cisco Technology, Inc.
18669560 SEMICONDUCTOR DEVICE AND FORMING METHO OF THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18855206 HOLLOW-CORE OPTICAL FIBER BASED RADIATION SOURCE Non-Final OA ASML Netherlands B.V.

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