Prosecution Insights
Last updated: October 27, 2026

Mirus LLC

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

18 pending office actions • 7 art units • 15 examiners • 0 of 18 (0%) have an AI response strategy ready • 17 patents granted in the last 365 days

Analysis

Mirus LLC has 20 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 16 distinct examiners and 8 distinct art units, showing meaningful examiner dispersion across a smaller set of technical assignments.

HILL, STEPHANI A is the busiest examiner, with 2 pending actions. The workload is therefore distributed across many examiner contacts rather than concentrated with the busiest examiner. Counsel can use art-unit grouping to identify recurring technical issues, while maintaining examiner-specific preparation for the individual response records.

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

Portfolio Summary

18
Total Pending OAs
12
Non-Final OAs
6
Final Rejections
0
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
3
Due this month
0
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 (3)

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.

10
Hard (56%)
7
Medium (39%)
1
Easy (6%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only4 (22%)
§102 only1 (6%)
Double-patenting only1 (6%)
Double-patenting + other2 (11%)
Multi-statute (no §101)10 (56%)

Industry Mix

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

6
Life Sciences
33% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
12
Mechanical / Eng
67% 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.

180 h
Manual time on pending OAs
36 h
Time saved (low, 20%)
63 h
Time saved (mid, 35%)
1.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
HILL, STEPHANI A 2 29.2% +44.0%
WHITE, KIA XIONG 2 67.3% +42.8%
SMITH, CATHERINE P 2 16.1% +16.8%
ALEMAN, SARAH WEBB 1 62.2% +23.6%
SHIRSAT, MARCELA 1 73.8% +18.9%
YANG, ANDREW 1 84.3% +10.4%
SIPP, AMY R. 1 71.1% +26.0%
LAWSON, MATTHEW JAMES 1 73.8% +29.9%
GIBSON, ERIC SHANE 1 85.5% +17.2%
KU, SI MING 1 72.8% +32.8%

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
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE YANG, ANDREW —

Hard Cases (11)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 8 ordered by deadline are shown.

App #TitleExaminerDue in
18204180 COATING FOR METAL ALLOY HILL, STEPHANI A 28d overdue
18222237 HEAT TREATMENT OF A METAL ALLOY SMITH, CATHERINE P 8d
18967034 METAL ALLOW HAVING RHENIUM EFFECT HILL, STEPHANI A 9d
18435262 REFLECTIVE ROOF COATING HAVING REDUCED TITANIUM DIOXIDE VAN SELL, NATHAN L 26d
19574544 GUIDE FLEX SYSTEM FOR DELIVERY HANDLE FOR PROSTHETIC VALVE DELIVERY SYSTEMS ALEMAN, SARAH WEBB —
19200178 ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY SIPP, AMY R. —
19197799 EXPANDABLE PROSTHETIC DEVICE LAWSON, MATTHEW JAMES —
19084400 ANTERIOR LUMBAR INTERBODY FUSION DEVICE WITH BIDIRECTIONAL SCREWS GIBSON, ERIC SHANE —

Interview Candidates (13)

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 8 ordered by deadline are shown.

App #TitleExaminerDue in
18204180 COATING FOR METAL ALLOY HILL, STEPHANI A 28d overdue
18222237 HEAT TREATMENT OF A METAL ALLOY SMITH, CATHERINE P 8d
18967034 METAL ALLOW HAVING RHENIUM EFFECT HILL, STEPHANI A 9d
19574544 GUIDE FLEX SYSTEM FOR DELIVERY HANDLE FOR PROSTHETIC VALVE DELIVERY SYSTEMS ALEMAN, SARAH WEBB —
19284760 BONE SCREW LOCKING RECEIVER AND BONE SCREW SYSTEM SHIRSAT, MARCELA —
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE YANG, ANDREW —
19200178 ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY SIPP, AMY R. —
19197799 EXPANDABLE PROSTHETIC DEVICE LAWSON, MATTHEW JAMES —

Top Art Units

Art UnitApps
3774 5
3775 5
1735 4
3619 1
3726 1
1783 1
1784 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19574544 GUIDE FLEX SYSTEM FOR DELIVERY HANDLE FOR PROSTHETIC VALVE DELIVERY SYSTEMS ALEMAN, SARAH WEBB 3774 §103§112 Non-Final OA — Pending Mar 23, 2026
19284760 BONE SCREW LOCKING RECEIVER AND BONE SCREW SYSTEM SHIRSAT, MARCELA 3775 §102§103DP Non-Final OA — Pending Jul 30, 2025
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE YANG, ANDREW 3775 DP Non-Final OA — Pending Jul 23, 2025
19200178 ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY SIPP, AMY R. 3775 §103§112 Non-Final OA — Pending May 06, 2025
19197799 EXPANDABLE PROSTHETIC DEVICE LAWSON, MATTHEW JAMES 3619 §103§112 Non-Final OA — Pending May 02, 2025
19084400 ANTERIOR LUMBAR INTERBODY FUSION DEVICE WITH BIDIRECTIONAL SCREWS GIBSON, ERIC SHANE 3775 §103§112 Final Rejection — Pending Mar 19, 2025
19005364 SYSTEMS AND METHODS OF BONE PLATING KU, SI MING 3775 §103 Non-Final OA — Pending Dec 30, 2024
18967034 METAL ALLOW HAVING RHENIUM EFFECT HILL, STEPHANI A 1735 §103§112Other Non-Final OA 9d Pending Dec 03, 2024
18620112 CRIMPER SYSTEMS, DEVICES, AND METHODS OF USING THE SAME COOK, KYLE A 3726 §102§103§112 Non-Final OA — Pending Mar 28, 2024
18438641 MEDICAL DEVICE THAT INCLUDES COATING MATERIAL WHITE, KIA XIONG 3774 §103 Final Rejection — Pending Feb 12, 2024
18435262 REFLECTIVE ROOF COATING HAVING REDUCED TITANIUM DIOXIDE VAN SELL, NATHAN L 1783 §103§112 Final Rejection 26d Pending Feb 07, 2024
18429919 EXPANDABLE FRAME FOR MEDICAL DEVICE SHARMA, YASHITA 3774 §103 Final Rejection — Pending Feb 01, 2024
18400338 ORTHOPEDIC MEDICAL DEVICES THAT INCLUDE COATING MATERIAL WHITE, KIA XIONG 3774 §103 Non-Final OA — Pending Dec 29, 2023
18237300 METAL ALLOYS FOR MEDICAL DEVICES DUMBRIS, SETH M 1784 §103§112 Final Rejection — Pending Aug 23, 2023
18233067 STENT DEVICE FOR SPINAL FUSION BLASS, PARIS MARIE 3774 §102 Non-Final OA — Pending Aug 11, 2023
18222237 HEAT TREATMENT OF A METAL ALLOY SMITH, CATHERINE P 1735 §102§103§112 Final Rejection 8d Pending Jul 14, 2023
18204180 COATING FOR METAL ALLOY HILL, STEPHANI A 1735 §102§103§112DP Non-Final OA 28d overdue Pending May 31, 2023
17586270 Medical Device That Includes a Rhenium Metal Alloy SMITH, CATHERINE P 1735 §103§112 Non-Final OA — Pending Jan 27, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Mirus LLC have?

Mirus LLC has 18 pending office actions as of October 2026, spread across 7 art units and 15 examiners.

Which USPTO examiner handles the most Mirus LLC applications?

Stephani A Hill has the most, with 2 of Mirus LLC's pending office actions.

What technology area are Mirus LLC'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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