Prosecution Insights
Last updated: October 25, 2026

Clearstream Technologies Limited

Technology area: Medical Devices & Mechanical Engineering

7 pending office actions • 2 art units • 7 examiners • 0 of 7 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Clearstream Technologies Limited has 8 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 8 distinct examiners but only 2 art units, showing substantial examiner dispersion within a concentrated art-unit footprint. Multiple examiners therefore operate within the same art-unit group, although the profile does not assign specific matters to each unit.

FISHBACK, ASHLEY LAUREN is the busiest examiner, with 1 pending matter. No examiner repeats in the available data. Counsel can use the 2-art-unit structure to organize procedural review, while maintaining separate claim and prior-art strategies for the individual examiner assignments.

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

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
1
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
2
Due this month
0
Due in next 60 days
0
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.

4
Hard (57%)
3
Medium (43%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (43%)
Multi-statute (no §101)4 (57%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
6
Mechanical / Eng
86% of docket
1
Business / Other
14% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
FISHBACK, ASHLEY LAUREN 1 80.0% +22.1%
GEIGER, RACHAEL L 1 82.3% +18.3%
LEE, DAVINA EN-YIN 1 37.9% +15.2%
MENDEZ, KATHERINE H 1 66.8% +33.7%
MARCETICH, ADAM M 1 72.8% +18.8%
LABRANCHE, BROOKE N 1 72.1% +17.0%
MCGINNITY, JAMES RYAN 1 60.3% +49.8%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
19120107 A ROTATIONAL ATHERECTOMY DEVICE FISHBACK, ASHLEY LAUREN —

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
19104766 A Rotational Atherectomy Device GEIGER, RACHAEL L —
18873425 A SYSTEM FOR FORMING A FISTULA BETWEEN TWO ADJACENT VESSELS LEE, DAVINA EN-YIN —
18854398 VENOUS ABLATION DEVICE MENDEZ, KATHERINE H —
18847478 A SYSTEM FOR FORMING A FISTULA MARCETICH, ADAM M —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
18255617 EMBOLISATION SYSTEM FOR PROMOTING CLOT FORMATION MCGINNITY, JAMES RYAN 9d
18260875 Embolisation System for Promoting Blood Clot Formation LABRANCHE, BROOKE N 14d
19120107 A ROTATIONAL ATHERECTOMY DEVICE FISHBACK, ASHLEY LAUREN —
19104766 A Rotational Atherectomy Device GEIGER, RACHAEL L —
18873425 A SYSTEM FOR FORMING A FISTULA BETWEEN TWO ADJACENT VESSELS LEE, DAVINA EN-YIN —
18854398 VENOUS ABLATION DEVICE MENDEZ, KATHERINE H —
18847478 A SYSTEM FOR FORMING A FISTULA MARCETICH, ADAM M —

Top Art Units

Art UnitApps
3771 5
3794 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19120107 A ROTATIONAL ATHERECTOMY DEVICE FISHBACK, ASHLEY LAUREN 3771 §103 Non-Final OA — Pending Apr 10, 2025
19104766 A Rotational Atherectomy Device GEIGER, RACHAEL L 3771 §102§103 Non-Final OA — Pending Feb 19, 2025
18873425 A SYSTEM FOR FORMING A FISTULA BETWEEN TWO ADJACENT VESSELS LEE, DAVINA EN-YIN 3794 §103§112 Non-Final OA — Pending Dec 10, 2024
18854398 VENOUS ABLATION DEVICE MENDEZ, KATHERINE H 3771 §102§103 Non-Final OA — Pending Oct 04, 2024
18847478 A SYSTEM FOR FORMING A FISTULA MARCETICH, ADAM M — §102§103 Non-Final OA — Pending Sep 16, 2024
18260875 Embolisation System for Promoting Blood Clot Formation LABRANCHE, BROOKE N 3771 §103 Final Rejection 14d Pending Jul 10, 2023
18255617 EMBOLISATION SYSTEM FOR PROMOTING CLOT FORMATION MCGINNITY, JAMES RYAN 3771 §103 Non-Final OA 9d Pending Jun 02, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Clearstream Technologies Limited have?

Clearstream Technologies Limited has 7 pending office actions as of October 2026, spread across 2 art units and 7 examiners.

Which USPTO examiner handles the most Clearstream Technologies Limited applications?

Ashley Lauren Fishback has the most, with 1 of Clearstream Technologies Limited's pending office actions.

What technology area are Clearstream Technologies Limited'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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