Prosecution Insights
Last updated: October 25, 2026

Commonwealth Fusion Systems LLC

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

6 pending office actions • 5 art units • 5 examiners • 0 of 6 (0%) have an AI response strategy ready • 8 patents granted in the last 365 days

Analysis

Commonwealth Fusion Systems LLC currently has 6 pending office actions in the Semiconductors, Circuits & Optics technology area. These matters are being handled by 5 distinct examiners across 5 distinct art units. This distribution shows a high degree of variety in the personnel reviewing the company's patent applications, as only one examiner is handling more than a single pending matter.

The busiest examiner for the portfolio is WARTALOWICZ, PAUL A, who is responsible for 2 pending office actions. The other pending office actions are each assigned to one of the remaining distinct examiners. Similarly, the 5 distinct art units involved indicate that the 6 pending actions are spread across multiple specialized divisions within the USPTO, with very little concentration in any single unit.

Practitioners should observe that while WARTALOWICZ, PAUL A is the busiest examiner with 2 pending actions, the portfolio is otherwise spread thin across 5 distinct art units. This means that for the pending office actions, the company must navigate the specific requirements and tendencies of 5 different examiners. The lack of significant concentration in any one art unit or under one examiner suggests that the pending applications cover a range of technical topics within the Semiconductors, Circuits & Optics field.

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

Portfolio Summary

6
Total Pending OAs
5
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.

3
Hard (50%)
3
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (33%)
§102 only1 (17%)
Multi-statute (no §101)3 (50%)

Industry Mix

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

2
Life Sciences
33% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
3
Semiconductors
50% of docket
1
Mechanical / Eng
17% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
WARTALOWICZ, PAUL A 2 64.3% +18.8%
MCANDREW, CHRISTOPHER P 1 86.0% +13.8%
WASIL, DANIEL D 1 79.9% +24.8%
LEE, PETE T 1 75.0% +11.0%
TALPALATSKI, ALEXANDER 1 71.9% +8.9%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
19120588 TWISTED-PAIR PLASMA CURRENT ROGOWSKI COIL MCANDREW, CHRISTOPHER P —
18727535 HANDLING OF FORCES ON TOKAMAK TOROIDAL FIELD COILS WASIL, DANIEL D —
18704182 Processes, Systems and Devices for Metal-Filling of Open HTS Channels TALPALATSKI, ALEXANDER —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
19120588 TWISTED-PAIR PLASMA CURRENT ROGOWSKI COIL MCANDREW, CHRISTOPHER P —
18727535 HANDLING OF FORCES ON TOKAMAK TOROIDAL FIELD COILS WASIL, DANIEL D —
18765682 PARTITIONED CABLE JOINT FOR SUPERCONDUCTING CABLES LEE, PETE T —
17911270 Emergency Shutdown of A No-Insulation Magnet WARTALOWICZ, PAUL A —
17796481 Field Quality Correction In No-Insulation Superconducting Magnets By Adjustable Current Bypasses WARTALOWICZ, PAUL A —

Top Art Units

Art UnitApps
1735 2
2858 1
3646 1
2847 1
2837 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19120588 TWISTED-PAIR PLASMA CURRENT ROGOWSKI COIL MCANDREW, CHRISTOPHER P 2858 §102§103 Non-Final OA — Pending Apr 11, 2025
18727535 HANDLING OF FORCES ON TOKAMAK TOROIDAL FIELD COILS WASIL, DANIEL D 3646 §102§112 Non-Final OA — Pending Jul 09, 2024
18765682 PARTITIONED CABLE JOINT FOR SUPERCONDUCTING CABLES LEE, PETE T 2847 §102 Non-Final OA — Pending Jul 08, 2024
18704182 Processes, Systems and Devices for Metal-Filling of Open HTS Channels TALPALATSKI, ALEXANDER 2837 §102§103§112 Non-Final OA — Pending Apr 24, 2024
17911270 Emergency Shutdown of A No-Insulation Magnet WARTALOWICZ, PAUL A 1735 §103 Non-Final OA — Pending Sep 13, 2022
17796481 Field Quality Correction In No-Insulation Superconducting Magnets By Adjustable Current Bypasses WARTALOWICZ, PAUL A 1735 §103 Final Rejection — Pending Jul 29, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Commonwealth Fusion Systems LLC have?

Commonwealth Fusion Systems LLC has 6 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Commonwealth Fusion Systems LLC applications?

Paul A Wartalowicz has the most, with 2 of Commonwealth Fusion Systems LLC's pending office actions.

What technology area are Commonwealth Fusion Systems LLC's patent applications in?

Mostly Semiconductors, Circuits & Optics (USPTO Tech Center 2800), based on where its pending office actions are examined.

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