Prosecution Insights
Last updated: April 19, 2026

Potomac Law Group, Pllc - AB Sciex

14 pending office actions • 3 clients

Portfolio Summary

14
Total Pending OAs
3
Final Rejections
11
Non-Final OAs

Client Portfolio (3 clients)

Client (Assignee)Pending OAs
DH TECHNOLOGIES DEVELOPMENT PTE. LTD. 11
DH TECHNOLOGIES DEVELOPMENT PTE. LTD. 2
DH TECHNOLOGIES DEVELOPMENT PTE. LTD. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18696002 Laser Induced Fragmentation for MRM Analysis DH TECHNOLOGIES DEVELOPMENT PTE. LTD. WANG, JING 2881 Non-Final OA Mar 27, 2024
18693363 Deflector Gates for Ion Beam Intensity Modulation DH TECHNOLOGIES DEVELOPMENT PTE. LTD. NGUYEN, KIET TUAN 2881 Non-Final OA Mar 19, 2024
18569773 Internal Fragment Reduction in Top Down ECD Analysis of Proteins DH TECHNOLOGIES DEVELOPMENT PTE. LTD. MCCORMACK, JASON L 2881 Non-Final OA Dec 13, 2023
18568404 MS Calibration for OPI-MS DH TECHNOLOGIES DEVELOPMENT PTE. LTD. GASSEN, CHRISTOPHER J 2881 Non-Final OA Dec 08, 2023
18560556 Ion Mirror for Time-of-Flight Mass Spectrometer DH TECHNOLOGIES DEVELOPMENT PTE. LTD. EINHORN, MICA JILLIAN 2881 Non-Final OA Nov 13, 2023
18283318 Differential Mobility Spectrometer/Mass Spectrometer Interface With Greater Than 10 L/Min Transport Gas Flow DH TECHNOLOGIES DEVELOPMENT PTE. LTD. TSAI, HSIEN C 2881 Final Rejection Sep 21, 2023
18281722 System and Method for Variable FFT Analysis Windows in Mass Spectrometry DH TECHNOLOGIES DEVELOPMENT PTE. LTD. CHOI, JAMES J 2878 Non-Final OA Sep 12, 2023
18281277 Flow Module Selector DH TECHNOLOGIES DEVELOPMENT PTE. LTD. BOLDUC, DAVID J 2852 Non-Final OA Sep 08, 2023
18280542 Bifurcated Mass Spectrometer DH TECHNOLOGIES DEVELOPMENT PTE. LTD. CHANG, HANWAY 2878 Final Rejection Sep 06, 2023
18276609 Method of Performing Ms/Ms of High Intensity Ion Beams Using a Bandpass Filtering Collision Cell to Enhance Mass Spectrometry Robustness DH TECHNOLOGIES DEVELOPMENT PTE. LTD. STOFFA, WYATT A 2881 Non-Final OA Aug 09, 2023
18037582 Method of Performing MS/MS of High Intensity Ion Beams Using a Bandpass Filtering Collision Cell to Enhance Mass Spectrometry Robustness DH TECHNOLOGIES DEVELOPMENT PTE. LTD. STOFFA, WYATT A 2881 Non-Final OA May 18, 2023
18031240 Exhaust Flow Boosting for Sampling Probe for Use in Mass Spectrometry Systems and Methods DH TECHNOLOGIES DEVELOPMENT PTE. LTD. TANDY, LAURA ELOISE 2881 Non-Final OA Apr 11, 2023
18247799 High Resolution Detection to Manage Group Detection for Quantitative Analysis by MS/MS DH TECHNOLOGIES DEVELOPMENT PTE. LTD. CHANG, HANWAY 2878 Final Rejection Apr 04, 2023
17636745 APPARATUS AND METHODS FOR THERMAL DISSOCIATION IN A MASS SPECTROMETRY SYSTEM DH TECHNOLOGIES DEVELOPMENT PTE. LTD. LOGIE, MICHAEL J 2881 Non-Final OA Feb 18, 2022

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