Prosecution Insights
Last updated: April 19, 2026

Raymond Sun

22 pending office actions • 13 clients

Portfolio Summary

22
Total Pending OAs
5
Final Rejections
17
Non-Final OAs

Client Portfolio (13 clients)

Client (Assignee)Pending OAs
LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. 5
Medical Equipment Design Innovation, Inc. 3
Toro Neurovascular, Inc. 2
Shenzhen Lifetech Endovascular Medical Co., Ltd. 2
BIOTYX MEDICAL (SHENZHEN) CO., LTD. 2
Shenzhen Lifetech Respiration Scientific Co., Ltd. 1
LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. 1
Laguna Tech LLC 1
Marvel Medical Technologies LLC 1
Keystone Heart Ltd. 1
Noahtron Intelligence Medtech (Hangzhou) Co., Ltd. 1
Shenzhen Lifevalve Medical Scientific Co. Ltd. 1
Hangzhou Valgen Medtech Co., Ltd. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18725037 Nerve Ablation Apparatus Shenzhen Lifetech Respiration Scientific Co., Ltd. LEE, DAVINA EN-YIN 3794 Non-Final OA Jun 27, 2024
18434324 METHOD AND DEVICE FOR CORRECTING A DEFORMED HEART VALVE FRAME Medical Equipment Design Innovation, Inc. BLANCO, JAVIER G 3774 Non-Final OA Feb 06, 2024
18388468 Navigation Guide for Catheter Tips Toro Neurovascular, Inc. RODJOM, KATHERINE MARIE 3771 Non-Final OA Nov 09, 2023
18388154 Left Atrial Appendage Occluder LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. LAUER, CHRISTINA C 3771 Final Rejection Nov 08, 2023
18386207 PROSTHETIC HEART VALVE DEVICE Laguna Tech LLC HU, ANN M 3774 Non-Final OA Nov 01, 2023
18032782 Adjustable Bent Catheter LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. FORD, RENE D 3741 Non-Final OA Oct 10, 2023
18377789 METHOD AND DEVICE FOR LEFT ATRIAL APPENDAGE CLOSURE Marvel Medical Technologies LLC IGBOKO, CHIMA U 3771 Final Rejection Oct 07, 2023
18371351 Replacement Heart Valve Medical Equipment Design Innovation, Inc. MATHEW, SEEMA 3774 Non-Final OA Sep 21, 2023
18448839 Anatomy Independent Deflector Keystone Heart Ltd. LONG, SARAH A 3771 Non-Final OA Aug 11, 2023
18212044 Replacement Heart Valve Medical Equipment Design Innovation, Inc. THOMAS, NATALIE NICOLE 3774 Non-Final OA Jun 20, 2023
18268297 Luminal Stent LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. HO, TAN-UYEN THI 3771 Non-Final OA Jun 19, 2023
18202737 Quick Insertion-and-Removal Device, Actuating Mechanism and Surgical Robot Noahtron Intelligence Medtech (Hangzhou) Co., Ltd. HODGE, LAURA NICOLE 3792 Non-Final OA May 26, 2023
18039149 Covered Stent LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. LABRANCHE, BROOKE N 3771 Non-Final OA May 26, 2023
18038948 Membrane-Covered Stent LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. SPENCER, MAXIMILIAN TOBIAS 3774 Non-Final OA May 25, 2023
18038165 Delivery Device LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD. BARIA, DINAH N 3774 Non-Final OA May 22, 2023
18038013 Delivery Device and Delivery System Shenzhen Lifevalve Medical Scientific Co. Ltd. PELLEGRINO, BRIAN E 3799 Non-Final OA May 20, 2023
18197649 HEART VALVE PROSTHESIS AND STENT THEREOF, AND HEART VALVE PROSTHESIS REPLACEMENT SYSTEM Hangzhou Valgen Medtech Co., Ltd. BARIA, DINAH N 3774 Non-Final OA May 15, 2023
18104694 Neurovascular Aspiration Catheter with Shaped Tip Toro Neurovascular, Inc. FARRELL, KATHLEEN PAIGE 3783 Final Rejection Feb 01, 2023
17914124 Stent Assembly System and Stent Assembly Method Shenzhen Lifetech Endovascular Medical Co., Ltd. DUDDEN, TERESA MARIE 3774 Non-Final OA Dec 31, 2022
17802448 Absorbable Iron-Based Instrument BIOTYX MEDICAL (SHENZHEN) CO., LTD. BECKHARDT, LYNDSEY MARIE 1613 Final Rejection Aug 25, 2022
17773696 Dual-Layer Lumen Stent Shenzhen Lifetech Endovascular Medical Co., Ltd. HIGHLAND, RACHEL S 3774 Final Rejection May 02, 2022
17418409 DRUG ELUTING DEVICE AND PREPARATION METHOD THEREOF BIOTYX MEDICAL (SHENZHEN) CO., LTD. WOLF, MEGAN YARNALL 3774 Non-Final OA Jun 25, 2021

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