Prosecution Insights
Last updated: October 25, 2026

Rapid Micro Biosystems Inc.

Technology areas: Chemistry & Materials • Semiconductors, Circuits & Optics

4 pending office actions • 3 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Rapid Micro Biosystems Inc. has 4 pending office actions in the Chemistry & Materials technology area. These matters are distributed across 3 distinct art units, suggesting that the company's intellectual property is being reviewed by several different specialized groups within the patent office.

The company's prosecution involves 4 distinct examiners, meaning each of the 4 pending office actions is reviewed by a different individual. This distribution of work ensures that the portfolio is not overly dependent on the decisions of a single examiner, providing a range of feedback across the active applications.

SINGER, DAVID L is the busiest examiner for the company, currently managing 1 pending office action. Because this examiner is responsible for 1 out of the 4 total pending actions, the workload is spread across the distinct examiners involved in the company's active matters.

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

Portfolio Summary

4
Total Pending OAs
1
Non-Final OAs
2
Final Rejections
1
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
2
Due later

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.

3
Life Sciences
75% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
25% 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.

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
SINGER, DAVID L 1 69.1% +42.1%
WILLIAMS, PATRICK C 1 80.7% +25.2%
BOWERS, NATHAN ANDREW 1 59.5% +31.7%
SHI, TINGCHEN 1 69.4% +22.7%

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
18514724 CUTTING SUBASSEMBLY AND CONDITIONING ASSEMBLY FOR AN ENVIRONMENT BOWERS, NATHAN ANDREW 69d
18538085 TUBE SET WITH DUAL PRESSURE REGULATING VALVE WILLIAMS, PATRICK C —

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
18004589 FILTRATION ASSEMBLIES, CASSETTES, SYSTEMS, AND METHODS FOR FILTRATION AND CELL GROWTH SHI, TINGCHEN 61d
18514724 CUTTING SUBASSEMBLY AND CONDITIONING ASSEMBLY FOR AN ENVIRONMENT BOWERS, NATHAN ANDREW 69d
18673716 OXYGEN SENSOR ELEVATOR ASSEMBLY SINGER, DAVID L —
18538085 TUBE SET WITH DUAL PRESSURE REGULATING VALVE WILLIAMS, PATRICK C —

Top Art Units

Art UnitApps
1799 2
2855 1
1796 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18673716 OXYGEN SENSOR ELEVATOR ASSEMBLY SINGER, DAVID L 2855 §103 Final Rejection — Pending May 24, 2024
18538085 TUBE SET WITH DUAL PRESSURE REGULATING VALVE WILLIAMS, PATRICK C 1799 §102§103 Non-Final OA — Pending Dec 13, 2023
18514724 CUTTING SUBASSEMBLY AND CONDITIONING ASSEMBLY FOR AN ENVIRONMENT BOWERS, NATHAN ANDREW 1799 §102§103§112 Final Rejection 69d Pending Nov 20, 2023
18004589 FILTRATION ASSEMBLIES, CASSETTES, SYSTEMS, AND METHODS FOR FILTRATION AND CELL GROWTH SHI, TINGCHEN 1796 §103 Non-Final OA 61d Pending Jan 06, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Rapid Micro Biosystems Inc. have?

Rapid Micro Biosystems Inc. has 4 pending office actions as of October 2026, spread across 3 art units and 4 examiners.

Which USPTO examiner handles the most Rapid Micro Biosystems Inc. applications?

David L Singer has the most, with 1 of Rapid Micro Biosystems Inc.'s pending office actions.

What technology area are Rapid Micro Biosystems Inc.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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