Prosecution Insights
Last updated: May 29, 2026

Examiner: CHAPEL, DEREK S

Tech Center 2800 • Art Units: 1781 2844 2872

This examiner grants 70% of resolved cases

Performance Statistics

70.1%
Allow Rate
+2.1% vs TC avg
1,002
Total Applications
+21.8%
Interview Lift
1039
Avg Prosecution Days
Based on 977 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
12.7%
§102 Novelty
69.1%
§103 Obviousness
4.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18340167 Systems With Coated Transparent Layers Non-Final OA Apple Inc.
18434243 WAVEGUIDE FOR MIXED REALITY VIEWING Non-Final OA GOOGLE LLC
18451126 DISPLAY DEVICE Final Rejection Magnolia White Corporation
18125067 FAR-INFRARED RAY TRANSMISSION MEMBER AND METHOD FOR MANUFACTURING FAR-INFRARED RAY TRANSMISSION MEMBER Non-Final OA AGC Inc.
18242903 Swept, Confocally-Aligned Planar Excitation (SCAPE) Microscopy Non-Final OA The Trustees of Columbia University in the City of New York
18801853 RANGE FINDING BINOCULAR TELESCOPE Non-Final OA SHENZHEN RUIERXING ELECTRONIC CO., LTD
18382370 MULTI-LAYER DIELECTRIC COATINGS FOR HIGH-EFFICIENCY DIELECTRIC GRATINGS Final Rejection II-VI Delaware, Inc.
18452094 OPTICAL SYSTEM Non-Final OA TDK TAIWAN CORP.
18359001 Lens Device Non-Final OA Asia Optical Co., Inc.
18567828 OPTICAL LAMINATE, POLARIZER, IMAGE DISPLAY DEVICE, AND METHOD FOR MANUFACTURING OPTICAL LAMINATE Non-Final OA DEXERIALS CORPORATION
18569651 OPTICAL SYSTEM FOR EYE TRACKING Non-Final OA TRULIFE OPTICS LIMITED
17916714 CHROMATIC EFFECT LIGHT REFLECTIVE UNIT Non-Final OA CoeLux S.r.l.
18688722 REFLECTING OPTIC ASSEMBLY Non-Final OA Muth Mirror Systems, LLC
18687042 AN IMAGING SYSTEM WITH A SCANNING MIRROR Non-Final OA OHB SYSTEM AG
18570127 Optical System and Method for Image Stabilization of such an Optical System Non-Final OA Acuvi AB

Facing This Examiner?

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

Build Your Strategy

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