Prosecution Insights
Last updated: October 25, 2026

Ub Greensfelder LLP

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

36 pending office actions • 17 clients • 33 examiners • 24 art units • 0 of 36 (0%) have an AI response strategy ready

Analysis

UB GREENSFELDER LLP reports 37 pending office actions in Medical Devices & Mechanical Engineering and 3629 career applications. The pending matters sit within a substantial reported application portfolio, giving the workload figure useful volume context.

The resolved allowance rate is 84.96%, with an average of 2.91 office actions per allowance. These measures indicate that resolved matters frequently involve examination activity before allowance, while a substantial share reaches allowance in the reported record.

For prosecution planning, the profile combines current workload, historical application volume, and outcome measures. That combination can help practitioners assess the scale of the practice and anticipate the response effort associated with matters in this technology area.

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

Quality Metrics (n=3629 apps, methodology: how we score firms)

85.0%
Allowance Rate
n=3629
+0.53σ
Allowance Rate (norm)
n=3629
2.9
OAs to Allowance
n=2248
-0.36σ
OAs to Allow (norm)
n=2248
902 days
Time to Allowance
n=2248
+9.9pp
Interview Lift
n=3629
19.1%
RCE Rate
n=3629
2.0%
Appeal Rate
n=3629

Rejection Performance (% of received rejections ultimately overcome)

77.5%
§101 Overcome
n=213
79.8%
§102 Overcome
n=880
77.9%
§103 Overcome
n=1471
78.6%
§112 Overcome
n=1008

Specialization & Scale

G06Q, G06F, B65D
Top CPC Subclasses
12%
Top-3 CPC Share
n=3629
1
Practitioners
n=3629
3629.0
Apps / Practitioner
n=3629

Portfolio Summary

36
Total Pending OAs
22
Non-Final OAs
14
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 7 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

3
Overdue
0
Due this week
4
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. 7 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (3)Due ≤ 30 days (4)

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.

21
Hard (58%)
12
Medium (33%)
3
Easy (8%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only8 (22%)
§102 only2 (6%)
§112 only1 (3%)
Double-patenting only2 (6%)
Double-patenting + other2 (6%)
Multi-statute (no §101)21 (58%)

Industry Mix

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

9
Life Sciences
25% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
4
Semiconductors
11% of docket
23
Mechanical / Eng
64% 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.

360 h
Manual time on pending OAs
72 h
Time saved (low, 20%)
126 h
Time saved (mid, 35%)
3.1 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%
TRAN, THAI H 1 72.2% +24.4%
SIPP, AMY R. 1 71.1% +26.0%
LAWSON, MATTHEW JAMES 1 73.8% +29.9%
GIBSON, ERIC SHANE 1 85.5% +17.2%

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 (22)

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
18219322 SEMI-CONTINUOUS RARE EARTH METAL PRODUCTION SIDDIQUI, ADIL ABDUL WAJID 38d overdue
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 —

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 —
19199569 BATTERY BACKUP SYSTEM FOR FAIL-SAFE ELECTRIC ACTUATORS TRAN, THAI H —
19200178 ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY SIPP, AMY R. —

Client Portfolio (17 clients)

Top Art Units

Art UnitApps
37745
37755
17355
28361
36191
28381
37911
36731
37341
36341

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19574544 GUIDE FLEX SYSTEM FOR DELIVERY HANDLE FOR PROSTHETIC VALVE DELIVERY SYSTEMS Mirus LLC ALEMAN, SARAH WEBB 3774 §103§112 Non-Final OA — Pending Mar 23, 2026
19284760 BONE SCREW LOCKING RECEIVER AND BONE SCREW SYSTEM Mirus LLC SHIRSAT, MARCELA 3775 §102§103DP Non-Final OA — Pending Jul 30, 2025
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE Mirus LLC YANG, ANDREW 3775 DP Non-Final OA — Pending Jul 23, 2025
19199569 BATTERY BACKUP SYSTEM FOR FAIL-SAFE ELECTRIC ACTUATORS Max-Air Technology, Inc. TRAN, THAI H 2836 §103 Final Rejection — Pending May 06, 2025
19200178 ORTHOPEDIC SCREW FORMED OF IMPROVED METAL ALLOY Mirus LLC SIPP, AMY R. 3775 §103§112 Non-Final OA — Pending May 06, 2025
19197799 EXPANDABLE PROSTHETIC DEVICE Mirus LLC LAWSON, MATTHEW JAMES 3619 §103§112 Non-Final OA — Pending May 02, 2025
19084400 ANTERIOR LUMBAR INTERBODY FUSION DEVICE WITH BIDIRECTIONAL SCREWS Mirus LLC GIBSON, ERIC SHANE 3775 §103§112 Final Rejection — Pending Mar 19, 2025
19077572 SYSTEM AND METHOD FOR OVERCURRENT PROTECTION USING DYNAMIC TRIP CURVE EVALUATION Towa Industries Inc. THOMAS, LUCY M 2838 §102§103 Non-Final OA — Pending Mar 12, 2025
19071512 SPECIMEN COLLECTION APPARATUS Syramed Sciences, LLC MONTGOMERY, MELISSA JO 3791 §102§103§112 Non-Final OA — Pending Mar 05, 2025
19042242 Eye Pressure Relief Pillow Eyepillow, LLC THROOP, MYLES A 3673 §102§103 Non-Final OA — Pending Jan 31, 2025
19005364 SYSTEMS AND METHODS OF BONE PLATING Mirus LLC KU, SI MING 3775 §103 Non-Final OA — Pending Dec 30, 2024
19003952 CORRUGATED HUTCH Menasha Corporation DEMEREE, CHRISTOPHER R 3734 §102Other Non-Final OA — Pending Dec 27, 2024
18967034 METAL ALLOW HAVING RHENIUM EFFECT Mirus LLC HILL, STEPHANI A 1735 §103§112Other Non-Final OA 9d Pending Dec 03, 2024
18957067 EXTENSION POLE Garland Industries, Inc. SHABLACK, JOHNNIE A 3634 §102§103§112 Non-Final OA — Pending Nov 22, 2024
18946466 SYSTEMS AND METHODS FOR REMOTELY DEPLOYING A VEHICULAR TIRE DEFLATION DEVICE Tactical R/C LLC YABUT, DANIEL D 3617 §102§103 Non-Final OA — Pending Nov 13, 2024
18933946 CONCRETE REPAIR DEVICE Garland Industries, Inc. BUCKLE JR, JAMES J 3633 DP Non-Final OA — Pending Oct 31, 2024
18917530 BUCKETS AND ACCESSORIES RELATING TO THE SAME Chagrinovations, LLC KIRSCH, ANDREW THOMAS 3733 §102§103§112 Non-Final OA — Pending Oct 16, 2024
18850416 METHOD AND DEVICE FOR PRODUCING TUBES, WIRES, PROFILES AND SIMILAR ELONGATE MATERIAL BY MEANS OF A DRAWING DEVICE Qass GmbH GRAVES, TIMOTHY P 2855 §103§112 Non-Final OA — Pending Sep 24, 2024
18667570 PRODUCT TRANSFER SYSTEM Orbis Corporation ING, MATTHEW W 3637 §103 Final Rejection 26d Pending May 17, 2024
18620112 CRIMPER SYSTEMS, DEVICES, AND METHODS OF USING THE SAME Mirus LLC COOK, KYLE A 3726 §102§103§112 Non-Final OA — Pending Mar 28, 2024
18604166 GALVANICALLY-ACTIVE IN SITU FORMED PARTICLES FOR CONTROLLED RATE DISSOLVING TOOLS Terves LLC WANG, NICHOLAS A 1734 §102§103§112 Non-Final OA — Pending Mar 13, 2024
18438641 MEDICAL DEVICE THAT INCLUDES COATING MATERIAL Mirus LLC WHITE, KIA XIONG 3774 §103 Final Rejection — Pending Feb 12, 2024
18435262 REFLECTIVE ROOF COATING HAVING REDUCED TITANIUM DIOXIDE Mirus LLC VAN SELL, NATHAN L 1783 §103§112 Final Rejection 26d Pending Feb 07, 2024
18429919 EXPANDABLE FRAME FOR MEDICAL DEVICE Mirus LLC SHARMA, YASHITA 3774 §103 Final Rejection — Pending Feb 01, 2024
18400338 ORTHOPEDIC MEDICAL DEVICES THAT INCLUDE COATING MATERIAL Mirus LLC WHITE, KIA XIONG 3774 §103 Non-Final OA — Pending Dec 29, 2023
18559000 A COMBINATION DRILL BIT AND BIT DRIVER DEVICE Anchique Pty Ltd. WALTERS, RYAN J 3799 §103§112 Final Rejection — Pending Nov 03, 2023
18386702 SYSTEMS AND METHODS FOR TRANSFORMING DIGITAL AUDIO CONTENT Tree Goat Media, Inc. SCHREIBER, CHRISTINA MARIE 2837 §112 Final Rejection — Pending Nov 03, 2023
18237300 METAL ALLOYS FOR MEDICAL DEVICES Mirus LLC DUMBRIS, SETH M 1784 §103§112 Final Rejection — Pending Aug 23, 2023
18233067 STENT DEVICE FOR SPINAL FUSION Mirus LLC BLASS, PARIS MARIE 3774 §102 Non-Final OA — Pending Aug 11, 2023
18222237 HEAT TREATMENT OF A METAL ALLOY Mirus LLC SMITH, CATHERINE P 1735 §102§103§112 Final Rejection 8d Pending Jul 14, 2023
18219322 SEMI-CONTINUOUS RARE EARTH METAL PRODUCTION Terves, LLC SIDDIQUI, ADIL ABDUL WAJID 1735 §103§112 Final Rejection 38d overdue Pending Jul 07, 2023
18207914 FIBERBOARD SURFACE PROTECTION SYSTEM Garland Industries, Inc. NORDMEYER, PATRICIA L 1788 §103 Final Rejection — Pending Jun 09, 2023
18204180 COATING FOR METAL ALLOY Mirus LLC HILL, STEPHANI A 1735 §102§103§112DP Non-Final OA 28d overdue Pending May 31, 2023
17776298 PROCESS FOR MAKING A CONTINUOUS WINDING FOR A STATOR OF AN ELECTRIC MACHINE AND WINDING MADE WITH SUCH PROCESS Mavel Edt S.p.A. KIM, PAUL D 3729 §103 Final Rejection 441d overdue Pending May 12, 2022
17586270 Medical Device That Includes a Rhenium Metal Alloy Mirus, LLC SMITH, CATHERINE P 1735 §103§112 Non-Final OA — Pending Jan 27, 2022
17195483 PORTABLE RESISTANCE WORKOUT APPARATUSES AND SYSTEMS Rhino Boss LLC URBIEL GOLDNER, GARY D 3784 §103§112 Final Rejection — Pending Mar 08, 2021

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Frequently Asked Questions

What is Ub Greensfelder LLP's patent allowance rate?

85.0% of resolved applications prosecuted by Ub Greensfelder LLP were allowed, across 3,629 applications in USPTO records.

How many office actions does Ub Greensfelder LLP average before allowance?

2.91 office actions per allowed application on average.

How many pending office actions does Ub Greensfelder LLP have?

36 pending office actions as of October 2026, for 17 clients, before 33 examiners in 24 art units.

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