Prosecution Insights
Last updated: October 01, 2026

Examiner: CASTIAUX, BRENT D

Tech Center 2800 • Art Units: 2618 2622 2623 2691 2695 2815 2841 2899

This examiner grants 83% of resolved cases

Analysis

Brent D. Castiaux works in Tech Center 2800 and Art Unit 2618. He has resolved 547 cases with an allowance rate of 83.4 percent. This high rate suggests a favorable environment for applicants seeking patent protection. The 547 resolved cases provide a foundation for analyzing the examiner's historical performance and tendencies.

The interview lift for this examiner is 15.1 percent. This provides a boost to the already high 83.4 percent baseline. Practitioners should consider using interviews to ensure a smooth path to grant. The 15.1 percent lift demonstrates that direct communication with the examiner is a statistically effective way to resolve any remaining issues and move toward an allowance.

The median days to allowance is 751. This timeline is an efficient metric for applicants to gauge the expected duration of their prosecution. The 751-day figure, when paired with the 83.4 percent allowance rate, indicates a relatively fast path to issuance. Practitioners can use this 751-day benchmark to manage expectations regarding the total time required to reach a successful conclusion.

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

Performance Statistics

83.4%
Allow Rate
+15.4% vs TC avg
565
Total Applications
+15.1%
Interview Lift
751
Avg Prosecution Days
Based on 547 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
26.8%
§102 Novelty
60.7%
§103 Obviousness
8.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18460193 FACE ENGAGING STRUCTURE Non-Final OA Apple Inc.
18994109 PIXEL CIRCUIT, DRIVING METHOD, AND DISPLAY DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18881085 METHOD OF DRIVING DISPLAY DEVICE, DISPLAY MODULE AND DISPLAY DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18852748 PIXEL CIRCUIT, PIXEL DRIVING METHOD AND DISPLAY DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
19265378 DISPLAY DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC DEVICE USING THE SAME Final Rejection SAMSUNG DISPLAY CO., LTD.
19253229 DISPLAY APPARATUS Final Rejection LG Display Co., Ltd.
18793516 DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
19261154 TOUCH MODULE, ELECTRONIC DEVICE, TOUCH ACCESSORY, AND TOUCH DETECTION METHOD Non-Final OA Huawei Technologies Co., Ltd.

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