Prosecution Insights
Last updated: October 25, 2026

Alpheus Medical, Inc.

Technology area: Medical Devices & Mechanical Engineering

5 pending office actions • 3 art units • 4 examiners • 0 of 5 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Alpheus Medical, Inc. currently has 5 pending office actions in the Medical Devices & Mechanical Engineering technology area. These actions are handled by 4 distinct examiners and 3 distinct art units. This suggests some overlap in the personnel reviewing the company's applications, as the number of actions exceeds the number of examiners.

NGUYEN, HIEN NGOC is the busiest examiner for Alpheus Medical, Inc., managing 2 pending office actions. This means that one examiner is responsible for a portion of the 5 pending office actions. The 3 distinct art units involved indicate that the Medical Devices & Mechanical Engineering filings are concentrated in a few specialized groups. With 4 distinct examiners for 5 pending office actions, there is a moderate level of examiner variety. Practitioners should focus on the 3 distinct art units to understand the technical standards being applied, while also noting that NGUYEN, HIEN NGOC has a significant influence on the portfolio's overall progress across their 2 pending office actions. This concentration under one of the 4 distinct examiners may allow for a more unified strategy in those specific cases.

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

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
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.

2
Hard (40%)
2
Medium (40%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (40%)
Double-patenting only1 (20%)
Multi-statute (no §101)2 (40%)

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
5
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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
NGUYEN, HIEN NGOC 2 52.7% +40.8%
DAVIS, AMELIE R 1 65.1% +33.2%
ZHANG, LEI 1 13.3% +100.0%
FLICK, JASON E 1 80.5% +13.5%

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
18648807 SYSTEMS AND METHODS OF USING ACOUSTIC WAVES FOR NON-INVASIVE SONODYNAMIC THERAPY FLICK, JASON E —

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
19320368 METHODS OF SONODYNAMIC TREATMENT USING ULTRASOUND DAVIS, AMELIE R —
18868081 ULTRASOUND ARRAYS FOR ENHANCED TISSUE THERAPY ZHANG, LEI —

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
18215515 ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER NGUYEN, HIEN NGOC 1d overdue
19343971 ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER NGUYEN, HIEN NGOC —
19320368 METHODS OF SONODYNAMIC TREATMENT USING ULTRASOUND DAVIS, AMELIE R —
18868081 ULTRASOUND ARRAYS FOR ENHANCED TISSUE THERAPY ZHANG, LEI —
18648807 SYSTEMS AND METHODS OF USING ACOUSTIC WAVES FOR NON-INVASIVE SONODYNAMIC THERAPY FLICK, JASON E —

Top Art Units

Art UnitApps
3797 2
3798 2
3783 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19343971 ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER NGUYEN, HIEN NGOC 3797 §103Other Final Rejection — Pending Sep 29, 2025
19320368 METHODS OF SONODYNAMIC TREATMENT USING ULTRASOUND DAVIS, AMELIE R 3798 §103§112 Non-Final OA — Pending Sep 05, 2025
18868081 ULTRASOUND ARRAYS FOR ENHANCED TISSUE THERAPY ZHANG, LEI 3798 §103§112 Non-Final OA — Pending Nov 21, 2024
18648807 SYSTEMS AND METHODS OF USING ACOUSTIC WAVES FOR NON-INVASIVE SONODYNAMIC THERAPY FLICK, JASON E 3783 DP Non-Final OA — Pending Apr 29, 2024
18215515 ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER NGUYEN, HIEN NGOC 3797 §103Other Final Rejection 1d overdue Pending Jun 28, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Alpheus Medical, Inc. have?

Alpheus Medical, Inc. has 5 pending office actions as of October 2026, spread across 3 art units and 4 examiners.

Which USPTO examiner handles the most Alpheus Medical, Inc. applications?

Hien Ngoc Nguyen has the most, with 2 of Alpheus Medical, Inc.'s pending office actions.

What technology area are Alpheus Medical, 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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