Prosecution Insights
Last updated: October 25, 2026

Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd.

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

4 pending office actions • 4 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd. has 4 pending office actions in the Medical Devices & Mechanical Engineering technology area. These 4 actions are handled by 4 distinct examiners across 4 distinct art units. This one-to-one ratio between actions, examiners, and units indicates a completely fragmented prosecution landscape for the current workload. BEEBE, JOSHUA R is listed as the busiest examiner with 1 pending office action. Since each of the 4 pending actions is assigned to a different examiner, the workload is evenly split.

The involvement of 4 distinct art units for only 4 actions suggests that each application falls into a different technical sub-specialty. Practitioners must manage 4 separate relationships with 4 different examiners. There is no opportunity to leverage experience with a single examiner or art unit across multiple pending cases in this small portfolio. The prosecution strategy for these 4 pending office actions must be entirely individualized, as the standards and preferences of 4 different examiners and 4 different art units will apply. This level of dispersion for a small portfolio requires careful attention to the specific nuances of each separate matter.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

4
Total Pending OAs
3
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

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.

2
Hard (50%)
2
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (50%)
Multi-statute (no §101)2 (50%)

Industry Mix

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

2
Life Sciences
50% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
2
Mechanical / Eng
50% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BEEBE, JOSHUA R 1 67.6% +26.1%
LARSON, JOHN MICHAEL 1 66.7% +66.7%
LAWRENCE JR, FRANK M 1 83.8% +20.0%
JEONG, YOUNGSUL 1 71.6% +21.7%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18823642 VACUUM CLEANER LARSON, JOHN MICHAEL —
18817812 FILTER ELEMENT, CARTRIDGE AND FILTER SYSTEM LAWRENCE JR, FRANK M —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
19396493 FILTER FAN UNIT BEEBE, JOSHUA R —
18823642 VACUUM CLEANER LARSON, JOHN MICHAEL —
18817812 FILTER ELEMENT, CARTRIDGE AND FILTER SYSTEM LAWRENCE JR, FRANK M —
18496128 Method for Purifying Contaminated Water JEONG, YOUNGSUL —

Top Art Units

Art UnitApps
3745 1
3723 1
1776 1
1772 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19396493 FILTER FAN UNIT BEEBE, JOSHUA R 3745 §103 Non-Final OA — Pending Nov 21, 2025
18823642 VACUUM CLEANER LARSON, JOHN MICHAEL 3723 §102§103§112 Non-Final OA — Pending Sep 03, 2024
18817812 FILTER ELEMENT, CARTRIDGE AND FILTER SYSTEM LAWRENCE JR, FRANK M 1776 §102§112 Non-Final OA — Pending Aug 28, 2024
18496128 Method for Purifying Contaminated Water JEONG, YOUNGSUL 1772 §103 Final Rejection — Pending Oct 27, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd. have?

Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd. has 4 pending office actions as of October 2026, spread across 4 art units and 4 examiners.

Which USPTO examiner handles the most Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd. applications?

Joshua R Beebe has the most, with 1 of Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd.'s pending office actions.

What technology area are Mann+Hummel Life Sciences & Environment Holding Singapore Pte. Ltd.'s patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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