Prosecution Insights
Last updated: April 19, 2026

Aka Chan LLP

29 pending office actions • 6 clients

Portfolio Summary

29
Total Pending OAs
7
Final Rejections
22
Non-Final OAs

Client Portfolio (6 clients)

Client (Assignee)Pending OAs
Vioptix, Inc. 16
Levi Strauss & Co. 4
Cellmo Materials Innovation, Inc. 3
Dali Wireless, Inc. 3
Xq Message Inc. 2
NextLabs, Inc. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19402888 Untitled Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA
19298077 Oximeter with Selectable Tissue Depth Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Aug 12, 2025
19297992 Handheld Oximeter with Disposable Probe Tips Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Aug 12, 2025
19298016 Handheld Oximeter Sheath Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Aug 12, 2025
19291405 Oximeter with Measurement Quality Reporting Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Aug 05, 2025
19248357 Oximeter with Replaceable Laparoscopic Extension Vioptix, Inc. HENSON, DEVIN B 3791 Final Rejection Jun 24, 2025
19036800 Wireless Oxygen Saturation Sensor Vioptix, Inc. FARDANESH, MARJAN 3791 Non-Final OA Jan 24, 2025
19014124 Laparoscopic Oximetry Probe and Method for Reuse of a Handheld Unit of the Laparoscopic Oximetry Probe Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Jan 08, 2025
19012826 Oximetry Probe with Detachable and Replaceable Laparoscopic Tube Vioptix, Inc. FARDANESH, MARJAN 3791 Non-Final OA Jan 07, 2025
18916305 Encrypting E-mail and Other Digital Data Xq Message Inc. KIM, TAE K 2496 Non-Final OA Oct 15, 2024
18796138 NFC Security for Medical Device and Sheath Vioptix, Inc. LANE, GREGORY A 2438 Non-Final OA Aug 06, 2024
18774839 Rendering a 3D Garment Preview Levi Strauss & Co. WILSON, NICHOLAS R 2611 Non-Final OA Jul 16, 2024
18753986 Determining Absolute and Relative Tissue Oxygen Saturation Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Jun 25, 2024
18737749 Protecting Documents with Security Overlays NextLabs, Inc. WILSON, NICHOLAS R 2611 Non-Final OA Jun 07, 2024
18637297 Ergonomic Handheld Oximeter Device Vioptix, Inc. LIU, CHU CHUAN 3791 Non-Final OA Apr 16, 2024
18617550 Design Tool with Damage Assets Levi Strauss & Co. AUGUSTINE, NICHOLAS 2178 Final Rejection Mar 26, 2024
18596532 Method of Making Copper-Nickel Alloy Foams Cellmo Materials Innovation, Inc. MORALES, RICARDO D 1738 Non-Final OA Mar 05, 2024
18398073 Zero Trust Data Gateway Xq Message Inc. DINH, KHANH Q 2458 Final Rejection Dec 27, 2023
18488928 Oximeter Probe with Tissue Marking Vioptix, Inc. FARDANESH, MARJAN 3791 Final Rejection Oct 17, 2023
18463693 NEUTRAL HOST ARCHITECTURE FOR A DISTRIBUTED ANTENNA SYSTEM Dali Wireless, Inc. NGUYEN, BRIAN D 2475 Non-Final OA Sep 08, 2023
18340627 OPTIMIZATION OF TRAFFIC LOAD IN A DISTRIBUTED ANTENNA SYSTEM Dali Wireless, Inc. SAMS, MATTHEW C 2646 Non-Final OA Jun 23, 2023
18322523 Fuel Cell with Porous Metal Foam Cellmo Materials Innovation, Inc. BARROW, AMANDA J 1729 Non-Final OA May 23, 2023
18314729 Metallic Foam Anode Coated with an Active Oxide Material Cellmo Materials Innovation, Inc. O'KEEFE, SEAN P 1738 Non-Final OA May 09, 2023
18306921 SELF-OPTIMIZING DISTRIBUTED ANTENNA SYSTEM USING SOFT FREQUENCY REUSE Dali Wireless, Inc. KAMARA, MOHAMED A 2412 Non-Final OA Apr 25, 2023
18047640 Handheld Oximeter with Display of Real-Time, Average Measurements and Average Resetting Vioptix, Inc. CERIONI, DANIEL LEE 3791 Final Rejection Oct 18, 2022
18047634 Handheld Oximeter with Display of Real-Time, Average Measurements and Average Resetting Vioptix, Inc. CERIONI, DANIEL LEE 3791 Non-Final OA Oct 18, 2022
18047637 Handheld Oximeter with Display of Real-Time, Average Measurements and Status Indicator Vioptix, Inc. GLOVER, NELSON ALEXANDER 3791 Final Rejection Oct 18, 2022
17818326 3D Imaging and Texture Mapping for Apparel Imagery Levi Strauss & Co. LEATHERS, EMILY GORMAN 2187 Non-Final OA Aug 08, 2022
17810278 Order Fulfillment System Levi Strauss & Co. BURSUM, KIMBERLY SUZANNE 3627 Final Rejection Jun 30, 2022

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