Prosecution Insights
Last updated: May 29, 2026

Examiner: CHU, CHRIS H

Tech Center 2800 • Art Units: 2874

This examiner grants 53% of resolved cases

Performance Statistics

53.1%
Allow Rate
-14.9% vs TC avg
697
Total Applications
+9.6%
Interview Lift
1115
Avg Prosecution Days
Based on 654 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
3.7%
§102 Novelty
94.3%
§103 Obviousness
0.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18212315 FEW MODE OPTICAL FIBERS WITH REDUCED MODE COUPLING AND LOW BIREFRINGENCE Non-Final OA CORNING INCORPORATED
18211696 CO-ALKALI DOPED OPTICAL FIBERS Non-Final OA CORNING INCORPORATED
18188499 WAVEGUIDE WITH ORGANIC SOLID CRYSTAL SUBSTRATE Non-Final OA Meta Platforms Technologies, LLC
18180820 FIBER OPTIC CONNECTOR INSERTION AND EXTRACTION TOOLS HAVING MULTIPLE TIP GEOMETRIES Non-Final OA Hubbell Incorporated
17697822 EMBEDDED SILICON PHOTONICS CHIP IN A MULTI-DIE PACKAGE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18515679 OPTICAL FIBER CABLE HAVING LOW FREE SPACE AND HIGH FIBER DENSITY Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18381438 CONNECTOR FOR ALIGNMENT OF INTEGRATED WAVEGUIDES AND OPTICAL FIBERS Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18229936 ANNEALED SUBUNITS IN BUNDLED DROP ASSEMBLY AND PROCESS OF ANNEALING SUBUNITS IN BUNDLED DROP ASSEMBLY Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18206268 MULTICORE OPTICAL FIBER SYSTEM CONNECTIVITY IN DATA CENTERS Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
17974683 ATTACHMENT BODIES AND OPTICAL CABLE ASSEMBLIES FOR MATING WITH COMPACT MULTIPORTS Non-Final OA Corning Research & Development Corporation
17368398 SINGLE-MODE OPTICAL FIBER WITH THIN COATING FOR HIGH DENSITY CABLES AND INTERCONNECTS Non-Final OA CORNING RESEARCH & DEVELOPMENT CORPORATION
18686932 OPTICAL FIBER Final Rejection SUMITOMO ELECTRIC INDUSTRIES, LTD.
17895680 ELECTRICAL AND OPTICAL CONNECTOR Non-Final OA Avago Technologies International Sales Pte. Limited
18015821 ASYMMETRIC INTERCONNECTION OF CONNECTORS Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18250750 FERRULE FOR OPTICAL CONNECTOR AND METHOD OF MANUFACTURING OPTICAL CONNECTOR Final Rejection Fujikura Ltd.
18501602 PHOTODETECTORS WITH A NOTCHED LIGHT-ABSORBING LAYER Final Rejection GlobalFoundries U.S. Inc.
18309321 SURFACE MOUNT MODULE FOR POWER FIBER CABLE Final Rejection CommScope Technologies LLC
17950414 SURGICAL LASER FIBER WITH REFLECTIVE STANDOFF SLEEVE AND METHOD OF PREVENTING DUST PARTICLE BUILDUP WITHIN A STANDOFF SLEEVE Final Rejection OPTICAL INTEGRITY, INC.
18245273 HOLLOW CORE OPTICAL WAVEGUIDES AND METHODS FOR MODIFICATION THEREOF Non-Final OA University of Southampton
18469607 OPTICAL FIBER Final Rejection FURUKAWA ELECTRIC CO., LTD.
18190926 PHOTONIC COMMUNICATION PLATFORM, PACKAGES AND RELATED FABRICATION Final Rejection Lightmatter, Inc.
18148547 ULTRA-LOW LOSS OPTICAL FIBERS FOR LONG HAUL COMMUNICATIONS Final Rejection Sterlite Technologies Limited
17175326 OPTICAL FIBRE HAVING CENTERLINE CORE PROFILE Final Rejection Sterlite Technologies Limited
18353634 Method of Manufacturing Nanofiber Cavity for Quantum Computing and Device Final Rejection Nanofiber Quantum Technologies, Inc.
18024326 FIBRE OPTIC CABLE, METHODS OF MANUFACTURE AND USE THEREOF Non-Final OA EMTELLE UK LIMITED

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