Prosecution Insights
Last updated: April 19, 2026

Lei Yu

19 pending office actions • 14 clients

Portfolio Summary

19
Total Pending OAs
2
Final Rejections
17
Non-Final OAs

Client Portfolio (14 clients)

Client (Assignee)Pending OAs
Guangzhou Lanswick Medical Technology Co., Ltd. 4
First Institute Of Oceanography, Natural Resources Ministry 2
Changsha University Of Science & Technology 1
Exploration & Production Research Institute Of Sinopec North -China Oil & Gas Company 1
Central South University 1
Dalian University Of Technology 1
Regen Technologies Pte. Ltd. 1
Maoshi Agricultural Technology Co., Ltd. 1
Huazhong Agricultural University 1
BEIHANG UNIVERSITY 1
Hangzhou Innovation Institute, Beihang University 1
Sichuan University 1
The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University 1
Hubei University 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
19059833 Green high viscosity toughness asphalt modifier, modified asphalt, bituminous concrete and preparation methods thereof Changsha University Of Science & Technology BETIT, JACOB F 1759 Non-Final OA Feb 21, 2025
18527366 Method for determining productivity of coalbed methane well without shutting down the well Exploration & Production Research Institute Of Sinopec North -China Oil & Gas Company MERCHANT, SHAHID R 3684 Non-Final OA Dec 03, 2023
18290450 Novel metal nail sleeve for fixing thermal insulation layer Unknown BATES, ZAKIYA W 3674 Non-Final OA Nov 13, 2023
18271669 Method and ventilator for treating alcohol intoxication by supplying gases based on gas mixing ratio Guangzhou Lanswick Medical Technology Co., Ltd. DITMER, KATHRYN ELIZABETH 3785 Non-Final OA Jul 11, 2023
18271668 Method and device for solving ventilator off-line problems on patients based on mixed gases Guangzhou Lanswick Medical Technology Co., Ltd. TOICH, SARA KATHERINE 3785 Non-Final OA Jul 11, 2023
18215176 Application of Valdecoxib in preparation of medications for preventing and treating glaucoma Central South University BETIT, JACOB F Non-Final OA Jun 28, 2023
18266590 Method and system for addressing hyperventilation based on ventilator device Guangzhou Lanswick Medical Technology Co., Ltd. TOICH, SARA KATHERINE 3785 Non-Final OA Jun 12, 2023
18207634 Seesaw-type feeding device for collecting solid suspended materials Dalian University Of Technology BETIT, JACOB F 1777 Non-Final OA Jun 08, 2023
18144213 Lithium-ion polymer liquid automotive battery Regen Technologies Pte. Ltd. LEE, DANIEL H. 1746 Final Rejection May 07, 2023
18140459 Controlled release fertilizer containing ammonium polyphosphate and its preparation methods Maoshi Agricultural Technology Co., Ltd. SMITH, JENNIFER A 1731 Non-Final OA Apr 27, 2023
18031572 Breathing device with carbon dioxide compensation function Guangzhou Lanswick Medical Technology Co., Ltd. VO, TU A 3785 Non-Final OA Apr 12, 2023
17994162 PROBIOTIC PREPARATION BASED ON W1/O/W2 TYPE DUAL EMULSION STRUCTURE, AND PREPARATION METHOD THEREFOR AND USE THEREOF Huazhong Agricultural University BETIT, JACOB F Non-Final OA Feb 13, 2023
17945411 Dual-floating gates optoelectronic self-exciting synaptic memristor BEIHANG UNIVERSITY MAI, ANH D 2893 Non-Final OA Sep 15, 2022
17938916 Remote monitoring method, system and storage medium for sewage treatment process Hangzhou Innovation Institute, Beihang University KWAK, DEAN P 1798 Final Rejection Sep 06, 2022
17800050 Method for evaluating theoretical potential of wind energy First Institute Of Oceanography, Natural Resources Ministry BETIT, JACOB F 2188 Non-Final OA Aug 16, 2022
17789209 Theoretical reserve evaluation method for ocean current energy First Institute Of Oceanography, Natural Resources Ministry BETIT, JACOB F 2189 Non-Final OA Jun 26, 2022
17824476 Photocurable thermochromic adhesive, adhesive composition and preparation as well as application thereof Sichuan University BETIT, JACOB F 1762 Non-Final OA May 25, 2022
17683345 Finger-assisted training device and application method thereof The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University BETIT, JACOB F 3785 Non-Final OA Feb 28, 2022
17295045 CRISPR-Cas system for genome editing in Zymomonas mobilis, and applications thereof Hubei University BETIT, JACOB F 1637 Non-Final OA May 19, 2021

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