Prosecution Insights
Last updated: October 27, 2026

Ray Alexander Dean, USPTO Patent Examiner

Listed by the USPTO as DEAN, RAY ALEXANDER

Tech Center 2800 • Art Units: 2872

This examiner grants 79% of resolved cases

Analysis

DEAN, RAY ALEXANDER is a USPTO patent examiner in tech center 2800 and art unit 2872. The profile records 133 resolved cases, with an allowance rate of 78.9% and a median of 1152 days to allowance. The interview lift is 17.4%, indicating that interviews are associated with a higher allowance result in the reported case data.

The principal company users are Canon Inc., Fujifilm Corporation, and LG Electronics Inc. The leading firms are BIRCH STEWART KOLASCH & BIRCH, LLP, BAKER BOTTS L.L.P., and BakerHostetler. Applicants working in this docket can use the allowance history as a planning reference while treating interview practice as a potentially useful prosecution tool.

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

Performance Statistics

78.9%
Allow Rate
+10.9% vs TC avg
189
Total Applications
+17.4%
Interview Lift
1152
Avg Prosecution Days
Based on 133 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
26.0%
§102 Novelty
57.0%
§103 Obviousness
14.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18913630 REFLECTION FILM, LAMINATE, WINDSHIELD GLASS, AND IMAGE DISPLAY SYSTEM Non-Final OA FUJIFILM Corporation
18770134 LENS BARREL Non-Final OA FUJIFILM Corporation
18861829 FRESNEL LENS AND IMAGE GENERATION DEVICE HAVING SAME Non-Final OA LG ELECTRONICS INC.
17530126 Single Element Light Folding Prism Non-Final OA Apple Inc.
18054472 VIRTUAL IMAGE OPTICAL SYSTEM, VIRTUAL IMAGE DISPLAY DEVICE, AND ON-BOARD SYSTEM, LATTER TWO INCLUDING VIRTUAL IMAGE OPTICAL SYSTEM Final Rejection CANON KABUSHIKI KAISHA
19041691 VIRTUAL IMAGE DISPLAY DEVICE AND OPTICAL UNIT Non-Final OA SEIKO EPSON CORPORATION
18849498 SOLID-STATE IMAGING APPARATUS, IMAGING APPARATUS, AND ELECTRONIC APPARATUS Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18693938 IRIS DIAPHRAGM HAVING A PREDETERMINED SHAPE, WITHOUT SHAPE ROTATION Final Rejection THALES
18938949 IMAGING LENS, RECOGNITION DEVICE, AND INFORMATION PROCESSING APPARATUS Non-Final OA Lenovo (Singapore) Pte. Ltd.
18352403 HOT FORMING OF CURVED MIRRORS WITHOUT THE NEED FOR A MANDREL Non-Final OA The Regents of the University of California
18431879 POLARIZING PLATE AND OPTICAL DISPLAY APPARATUS Non-Final OA SAMSUNG SDI CO., LTD.
18867571 AERIAL IMAGE DISPLAY DEVICE Non-Final OA KYOCERA CORPORATION
18397677 MICRO-MIRROR FRINGE FIELD ELECTRODE DESIGN WITH MISALIGNMENT COMPENSATION Final Rejection Texas Instruments Incorporated
18293544 CAMERA MODULE Non-Final OA LG INNOTEK CO., LTD.
17780452 PROJECTION SYSTEM AND METHOD WITH MODULAR PROJECTION LENS Final Rejection Dolby Laboratories Licensing Corporation
18672095 TRANSPARENT SUBSTRATE WITH METAL OXIDE LAYERS AND METHOD FOR PRODUCING SAME Final Rejection AGC Inc.
18515167 OPTICAL DEVICE Final Rejection TONG HSING ELECTRONIC INDUSTRIES, LTD.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Ray Alexander Dean's allowance rate?

78.9% of resolved applications examined by Ray Alexander Dean were allowed (133 resolved cases), compared with 64.9% across Art Unit 2872 over the last five years.

Does an interview help with examiner Ray Alexander Dean?

This examiner's interview lift is +17.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ray Alexander Dean take to allow a patent?

Applications allowed by Ray Alexander Dean took 1,152 days on average from filing to allowance.

Which art unit does examiner Ray Alexander Dean work in?

Ray Alexander Dean examines applications in Art Unit 2872 in Tech Center 2800 (Semiconductors, Circuits & Optics).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month