Prosecution Insights
Last updated: October 27, 2026

Cephea Valve Technologies Inc.

Technology area: Medical Devices & Mechanical Engineering

8 pending office actions • 4 art units • 8 examiners • 0 of 8 (0%) have an AI response strategy ready • 5 patents granted in the last 365 days

Analysis

Cephea Valve Technologies Inc. has 7 pending office actions in Medical Devices & Mechanical Engineering. The actions are assigned to 7 examiners across 3 art units, producing broad examiner dispersion but recurring art-unit contexts.

RESTAINO, ANDREW PETER handles 1 pending matter and is the busiest examiner. Since the actions are spread among examiners, counsel should avoid relying on a single prosecution approach. The shared art-unit assignments create an opportunity to compare claim construction, cited references, and amendment outcomes where the applications present related technical questions.

A coordinated docket should preserve common technical positions while allowing responses to reflect each examiner’s record. Tracking the art-unit groupings can help identify patterns without assuming uniform treatment across the portfolio.

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

Portfolio Summary

8
Total Pending OAs
3
Non-Final OAs
3
Final Rejections
2
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
2
Due this month
1
Due in next 60 days
0
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (2)Due ≤ 60 days (1)

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.

6
Hard (75%)
2
Medium (25%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (12%)
§102 only1 (12%)
Multi-statute (no §101)6 (75%)

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
8
Mechanical / Eng
100% 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.

80 h
Manual time on pending OAs
16 h
Time saved (low, 20%)
28 h
Time saved (mid, 35%)
0.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KAHELIN, MICHAEL WILLIAM 1 78.0% +23.6%
RESTAINO, ANDREW PETER 1 72.4% +39.2%
MANNAN, MIKAIL A 1 68.3% +24.0%
MATHEW, SEEMA 1 71.6% +26.1%
RIOS, GABRIELLA GISELLE BONO 1 15.4% +0.0%
SCHMIDT, EMILY LOUISE 1 58.4% +36.6%
WOZNICKI, JACQUELINE 1 49.8% +26.2%
BLASS, PARIS MARIE 1 57.1% +42.7%

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
17712290 Frame Features for Transcatheter Mitral Valve Replacement Device BLASS, PARIS MARIE 10d overdue
18303198 Advanced 3-Way Steering SCHMIDT, EMILY LOUISE 9d
18468946 Feature to Improve Fatigue Life and Manage Thrombus in Prosthetic Heart Valves RIOS, GABRIELLA GISELLE BONO 23d
18884228 Cardiac Valve Loading Devices and Systems RESTAINO, ANDREW PETER 42d
18678856 DELIVERY SYSTEM FOR HEART VALVE REPLACEMENT MANNAN, MIKAIL A —
18396979 Positional Markers for Medical Device MATHEW, SEEMA —
18060644 Flexible Heart Valve with Arm Attachment to Outside Structure WOZNICKI, JACQUELINE —

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
17712290 Frame Features for Transcatheter Mitral Valve Replacement Device BLASS, PARIS MARIE 10d overdue
18303198 Advanced 3-Way Steering SCHMIDT, EMILY LOUISE 9d
18884228 Cardiac Valve Loading Devices and Systems RESTAINO, ANDREW PETER 42d
18915658 Adjustable Tensioning Spool for Steerable Catheters KAHELIN, MICHAEL WILLIAM —
18678856 DELIVERY SYSTEM FOR HEART VALVE REPLACEMENT MANNAN, MIKAIL A —
18396979 Positional Markers for Medical Device MATHEW, SEEMA —
18060644 Flexible Heart Valve with Arm Attachment to Outside Structure WOZNICKI, JACQUELINE —

Top Art Units

Art UnitApps
3774 5
3792 1
3771 1
3783 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18915658 Adjustable Tensioning Spool for Steerable Catheters KAHELIN, MICHAEL WILLIAM 3792 §102 Non-Final OA — Pending Oct 15, 2024
18884228 Cardiac Valve Loading Devices and Systems RESTAINO, ANDREW PETER 3771 §102§103§112 Final Rejection 42d Pending Sep 13, 2024
18678856 DELIVERY SYSTEM FOR HEART VALVE REPLACEMENT MANNAN, MIKAIL A 3774 §103§112 Non-Final OA — Pending May 30, 2024
18396979 Positional Markers for Medical Device MATHEW, SEEMA 3774 §103§112 Final Rejection — Pending Dec 27, 2023
18468946 Feature to Improve Fatigue Life and Manage Thrombus in Prosthetic Heart Valves RIOS, GABRIELLA GISELLE BONO 3774 §103 Final Rejection 23d Pending Sep 18, 2023
18303198 Advanced 3-Way Steering SCHMIDT, EMILY LOUISE 3783 §103§112 Non-Final OA 9d Pending Apr 19, 2023
18060644 Flexible Heart Valve with Arm Attachment to Outside Structure WOZNICKI, JACQUELINE 3774 §103§112 Non-Final OA — Pending Dec 01, 2022
17712290 Frame Features for Transcatheter Mitral Valve Replacement Device BLASS, PARIS MARIE 3774 §102§103§112 Non-Final OA 10d overdue Pending Apr 04, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Cephea Valve Technologies Inc. have?

Cephea Valve Technologies Inc. has 8 pending office actions as of October 2026, spread across 4 art units and 8 examiners.

Which USPTO examiner handles the most Cephea Valve Technologies Inc. applications?

Michael William Kahelin has the most, with 1 of Cephea Valve Technologies Inc.'s pending office actions.

What technology area are Cephea Valve Technologies Inc.'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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