Prosecution Insights
Last updated: October 04, 2026

Miromatrix Medical Inc.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 1 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Miromatrix Medical Inc. currently manages 4 pending office actions within the Biotechnology & Pharmaceuticals technology area. This portfolio is distributed across 4 distinct examiners, indicating a broad spread of oversight despite the concentration of work within 1 distinct art unit. The focus in 1 distinct art unit suggests a highly specialized technological niche within the broader biotech sector. This concentration allows the applicant to develop a deep understanding of the specific examination trends within that unit.

GU, QINHUA is identified as the busiest examiner for this portfolio, currently handling 1 pending office action. Because the 4 pending office actions are split among 4 distinct examiners, the workload is evenly distributed across the individuals assigned to these cases. Practitioners should prepare for consistent examination standards across the portfolio given the single art unit involved. The presence of 4 distinct examiners for only 4 pending office actions means that each case is receiving a unique perspective, which may lead to varied outcomes despite the shared art unit.

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

Portfolio Summary

5
Total Pending OAs
4
Non-Final OAs
1
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.

0
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
1
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 (80%)
1
Medium (20%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (20%)
Multi-statute (no §101)4 (80%)

Industry Mix

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

1
Life Sciences
20% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
4
Business / Other
80% 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
GU, QINHUA 1 75.9% +27.8%
KASAYAN, KATRIEL BARCELLANO 1 25.0% +0.0%
ESPERON, NATHAN GREGORY 1 41.0% +23.3%
BRIDGES, DONAVAN LEE 1 — —
EBBINGHAUS, BRIANA NOEL 1 61.6% +63.5%

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
18759375 Manufacturing of Bioengineered Recellularized Organs and Methods of Use Thereof GU, QINHUA —
18680248 Methods and Uses of Differentiated Cells KASAYAN, KATRIEL BARCELLANO —
18702789 EXTRACORPOREAL ORGAN SUPPORT SYSTEM ESPERON, NATHAN GREGORY —
18702784 SYSTEM FOR SUPPORTING BIOLOGICALLY ENGINEERED ORGANS BRIDGES, DONAVAN LEE —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
17440914 Improved Decellularization of Isolated Organs EBBINGHAUS, BRIANA NOEL 71d
18759375 Manufacturing of Bioengineered Recellularized Organs and Methods of Use Thereof GU, QINHUA —
18702789 EXTRACORPOREAL ORGAN SUPPORT SYSTEM ESPERON, NATHAN GREGORY —

Top Art Units

Art UnitApps
1632 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18759375 Manufacturing of Bioengineered Recellularized Organs and Methods of Use Thereof GU, QINHUA — §103§112 Non-Final OA — Pending Jun 28, 2024
18680248 Methods and Uses of Differentiated Cells KASAYAN, KATRIEL BARCELLANO — §103§112 Non-Final OA — Pending May 31, 2024
18702789 EXTRACORPOREAL ORGAN SUPPORT SYSTEM ESPERON, NATHAN GREGORY — §103§112 Non-Final OA — Pending Apr 18, 2024
18702784 SYSTEM FOR SUPPORTING BIOLOGICALLY ENGINEERED ORGANS BRIDGES, DONAVAN LEE — §102§103Other Non-Final OA — Pending Apr 18, 2024
17440914 Improved Decellularization of Isolated Organs EBBINGHAUS, BRIANA NOEL 1632 §103 Final Rejection 71d Pending Sep 20, 2021

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