Prosecution Insights
Last updated: May 29, 2026

DH TECHNOLOGIES DEVELOPMENT PTE. LTD.

22 pending office actions • 6 art units • 15 examiners • 1 of 22 (5%) have an AI response strategy ready • 37 patents granted in the last 365 days

Portfolio Summary

22
Total Pending OAs
12
Non-Final OAs
9
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 22 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

8
Overdue
2
Due this week
7
Due this month
2
Due in next 60 days
3
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 22 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (8)Due ≤ 7 days (2)Due ≤ 30 days (7)Due ≤ 60 days (2)Due later (3)

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

1
Hard (5%)
19
Medium (86%)
1
Easy (5%)
1
Unknown (5%)

Rejection Statute Mix

BucketCases
§101 only1 (5%)
§103 only14 (64%)
§102 only5 (23%)
§112 only1 (5%)
No statute on record1 (5%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

3
Life Sciences
14% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
19
Semiconductors
86% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

220 h
Manual time on pending OAs
44 h
Time saved (low, 20%)
77 h
Time saved (mid, 35%)
1.9 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
STOFFA, WYATT A 4 79.9% +22.4%
LOGIE, MICHAEL J 4 64.2% +10.7%
CHANG, HANWAY 2 85.8% +8.5%
WANG, JING 1 100.0% +0.0%
GUTIERREZ, GISSELLE M 1 80.9% +12.4%
VANORE, DAVID A 1 88.8% +7.5%
MCCORMACK, JASON L 1 84.4% +8.1%
OSENBAUGH-STEWART, ELIZA W 1 73.4% +16.6%
EINHORN, MICA JILLIAN 1
SIFFORD, JEFFREY MARK 1 57.6% +32.9%

Quick Wins (5)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18683343 DISCRETE PEG MOLECULES AS ANALYTES FOR MS CALIBRATION AND TUNING IN POSITIVE AND NEGATIVE MODES GUTIERREZ, GISSELLE M 86d overdue
18247799 High Resolution Detection to Manage Group Detection for Quantitative Analysis by MS/MS CHANG, HANWAY 38d overdue
18569773 Internal Fragment Reduction in Top Down ECD Analysis of Proteins MCCORMACK, JASON L 6d
18696002 Laser Induced Fragmentation for MRM Analysis WANG, JING 19d
18280542 Bifurcated Mass Spectrometer CHANG, HANWAY 22d

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18571542 DATA STORAGE FOR TOF INSTRUMENTATION VANORE, DAVID A 19d

Interview Candidates (11)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18683343 DISCRETE PEG MOLECULES AS ANALYTES FOR MS CALIBRATION AND TUNING IN POSITIVE AND NEGATIVE MODES GUTIERREZ, GISSELLE M 86d overdue
18258359 DYNAMIC EJECTION DELAY TIME FOR ACOUSTIC EJECTION MASS SPECTROMETRY STOFFA, WYATT A 44d overdue
17636745 APPARATUS AND METHODS FOR THERMAL DISSOCIATION IN A MASS SPECTROMETRY SYSTEM LOGIE, MICHAEL J 42d overdue
18685534 Extending Operational Lifetime of a Mass Spectrometer STOFFA, WYATT A 2d overdue
18019546 Systems and Methods for Separating Compounds of Similar Mass by Differential Mobility Spectrometry LOGIE, MICHAEL J 5d
18016173 Electron Activation Dissociation Reaction Device with Ion Isolation Functionality in Mass Spectrometry LOGIE, MICHAEL J 15d
17999814 MASS ANALYSIS LOGIE, MICHAEL J 23d
18569701 AUTOMATED OPTIMIZATION OF DIFFERENTIAL MOBILITY SPECTROMETRY (DMS) SEPARATIONS USING ALPHA FUNCTIONS OSENBAUGH-STEWART, ELIZA W 34d

Top Art Units

Art UnitApps
2881 13
2878 5
2884 1
1671 1
1797 1
1678 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18696002 Laser Induced Fragmentation for MRM Analysis WANG, JING 2881 §103 Non-Final OA 19d Pending Mar 27, 2024
18685534 Extending Operational Lifetime of a Mass Spectrometer STOFFA, WYATT A 2881 §103 Non-Final OA 2d overdue Pending Feb 22, 2024
18683343 DISCRETE PEG MOLECULES AS ANALYTES FOR MS CALIBRATION AND TUNING IN POSITIVE AND NEGATIVE MODES GUTIERREZ, GISSELLE M 2884 §102 Non-Final OA 86d overdue Pending Feb 13, 2024
18571542 DATA STORAGE FOR TOF INSTRUMENTATION VANORE, DAVID A 2878 §101 Non-Final OA 19d Pending Dec 18, 2023
18569773 Internal Fragment Reduction in Top Down ECD Analysis of Proteins MCCORMACK, JASON L 2881 §103 Non-Final OA 6d Pending Dec 13, 2023
18569701 AUTOMATED OPTIMIZATION OF DIFFERENTIAL MOBILITY SPECTROMETRY (DMS) SEPARATIONS USING ALPHA FUNCTIONS OSENBAUGH-STEWART, ELIZA W 2881 §103 Non-Final OA 34d Pending Dec 13, 2023
18560556 Ion Mirror for Time-of-Flight Mass Spectrometer EINHORN, MICA JILLIAN 2881 §103 Non-Final OA 26d overdue Pending Nov 13, 2023
18280542 Bifurcated Mass Spectrometer CHANG, HANWAY 2878 §102 Final Rejection 22d Pending Sep 06, 2023
18548708 CAPILLARY ELECTROPHORESIS METHODS FOR QUANTIFYING VIRAL SPECIES SIFFORD, JEFFREY MARK 1671 §103 Non-Final OA 77d Pending Sep 01, 2023
18276609 Method of Performing Ms/Ms of High Intensity Ion Beams Using a Bandpass Filtering Collision Cell to Enhance Mass Spectrometry Robustness STOFFA, WYATT A 2881 §103 Final Rejection 71d Pending Aug 09, 2023
18276172 Mass and Kinetic Energy Ordering of Ions Prior to Orthogonal Extraction Using Dipolar DC CHOI, JAMES J 2878 §103 Final Rejection 56d overdue Pending Aug 07, 2023
18262852 SYSTEMS AND METHODS FOR OBTAINING SAMPLES FOR ANALYSIS STOFFA, WYATT A 2881 §103 Non-Final OA 65d Pending Jul 25, 2023
18273914 Pressure Control in Vacuum Chamber of Mass Spectrometer KALISZEWSKI, ALINA ROSE 2881 §103 Final Rejection 17d overdue Pending Jul 24, 2023
18269668 CLINICAL LABORATORY AUTOMATION SYSTEM WITH SINGLE CALIBRATOR MUI, CHRISTINE T 1797 §103 Non-Final OA 53d Pending Jun 26, 2023
18258359 DYNAMIC EJECTION DELAY TIME FOR ACOUSTIC EJECTION MASS SPECTROMETRY STOFFA, WYATT A 2881 §103 Final Rejection 44d overdue Pending Jun 20, 2023
18254625 SYSTEM AND METHODS FOR SEGMENTED FLOW ANALYSIS MASKELL, MICHAEL P 2878 §102 Non-Final OA 12d Pending May 26, 2023
18247799 High Resolution Detection to Manage Group Detection for Quantitative Analysis by MS/MS CHANG, HANWAY 2878 §102 Final Rejection 38d overdue Pending Apr 04, 2023
18019546 Systems and Methods for Separating Compounds of Similar Mass by Differential Mobility Spectrometry LOGIE, MICHAEL J 2881 §112 Final Rejection 5d Pending Feb 03, 2023
18016173 Electron Activation Dissociation Reaction Device with Ion Isolation Functionality in Mass Spectrometry LOGIE, MICHAEL J 2881 §103 Final Rejection 15d Pending Jan 13, 2023
17999814 MASS ANALYSIS LOGIE, MICHAEL J 2881 §102 Non-Final OA 23d Pending Nov 23, 2022
17908659 ELECTROMAGNETIC SAMPLING DEVICE PROTECTED IN A SEPTUM PIERCING NEEDLE MONTGOMERY, ANN Y 1678 Final Rejection 14d Pending Sep 01, 2022
17636745 APPARATUS AND METHODS FOR THERMAL DISSOCIATION IN A MASS SPECTROMETRY SYSTEM LOGIE, MICHAEL J 2881 §103 Non-Final OA 42d overdue AI Ready Feb 18, 2022

Managing DH TECHNOLOGIES DEVELOPMENT PTE. LTD.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

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