Prosecution Insights
Last updated: October 04, 2026

Ub Greensfelder LLP

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

38 pending office actions • 17 clients • 33 examiners • 16 art units • 0 of 38 (0%) have an AI response strategy ready

Analysis

UB GREENSFELDER LLP manages 3615 career applications in Chemistry & Materials. The firm achieves a resolved allowance rate pct of 84.98. Prosecution typically requires 2.91 avg_office_actions_per_allowance to reach an allowance. This 2.91 avg_office_actions_per_allowance provides a clear expectation for the number of examiner interactions required to secure a patent.

The firm is currently handling 27 pending office actions. The 84.98 resolved allowance rate pct across 3615 career applications demonstrates a consistent success rate in the chemistry sector. The 2.91 avg_office_actions_per_allowance indicates an efficient prosecution strategy for materials science cases. With 27 pending office actions, the firm is actively engaged in its 3615 career applications. The 84.98 resolved allowance rate pct confirms that the firm is a reliable partner for clients seeking patent protection in the chemistry and materials domain.

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

Quality Metrics (n=3617 apps, methodology: how we score firms)

85.0%
Allowance Rate
n=3617
+0.52σ
Allowance Rate (norm)
n=3617
2.9
OAs to Allowance
n=2244
-0.36σ
OAs to Allow (norm)
n=2244
900 days
Time to Allowance
n=2244
+9.9pp
Interview Lift
n=3617
19.1%
RCE Rate
n=3617
2.0%
Appeal Rate
n=3617

Rejection Performance (% of received rejections ultimately overcome)

77.8%
§101 Overcome
n=212
80.2%
§102 Overcome
n=878
78.2%
§103 Overcome
n=1466
78.9%
§112 Overcome
n=1004

Specialization & Scale

G06Q, G06F, B65D
Top CPC Subclasses
12%
Top-3 CPC Share
n=3617
1
Practitioners
n=3617
3617.0
Apps / Practitioner
n=3617

Portfolio Summary

38
Total Pending OAs
27
Non-Final OAs
11
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 10 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

5
Overdue
0
Due this week
5
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. 10 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (5)Due ≤ 30 days (5)

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.

22
Hard (58%)
13
Medium (34%)
3
Easy (8%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (3%)
§103 only9 (24%)
§102 only2 (5%)
§112 only1 (3%)
Double-patenting only2 (5%)
Double-patenting + other2 (5%)
Multi-statute (no §101)21 (55%)

Industry Mix

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

12
Life Sciences
32% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
2
Semiconductors
5% of docket
13
Mechanical / Eng
34% of docket
11
Business / Other
29% 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.

380 h
Manual time on pending OAs
76 h
Time saved (low, 20%)
133 h
Time saved (mid, 35%)
3.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
HILL, STEPHANI A 3 29.4% +44.2%
WHITE, KIA XIONG 3 66.0% +44.1%
SMITH, CATHERINE P 2 15.8% +16.1%
ALEMAN, SARAH WEBB 1 62.1% +23.7%
CLEMENT, MICHELLE RENEE 1 69.6% +18.6%
SHIRSAT, MARCELA 1 73.6% +19.0%
YANG, ANDREW 1 84.3% +10.5%
TRAN, THAI H 1 71.9% +25.3%
SIPP, AMY R. 1 71.1% +25.6%
GIBSON, ERIC SHANE 1 85.4% +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 (23)

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
17876282 MEDICAL DEVICE THAT INCLUDES A REFRACTORY METAL ALLOY HILL, STEPHANI A 16d overdue
17945533 Device and Method for the Production or Management of a Powder Mixture, Additive Manufacturing Method and Powder Mixture INSLER, ELIZABETH 11d 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 —

Interview Candidates (15)

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
17876282 MEDICAL DEVICE THAT INCLUDES A REFRACTORY METAL ALLOY HILL, STEPHANI A 16d 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 —
19375914 FIREARM TRIGGER WITH SAFETY BLADE CLEMENT, MICHELLE RENEE —
19284760 BONE SCREW LOCKING RECEIVER AND BONE SCREW SYSTEM SHIRSAT, MARCELA —
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE YANG, ANDREW —

Client Portfolio (17 clients)

Top Art Units

Art UnitApps
17357
37746
36411
28361
36731
37751
37331
36371
17341
17831

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
19375914 FIREARM TRIGGER WITH SAFETY BLADE Tyrant Designs Cnc, LLC CLEMENT, MICHELLE RENEE 3641 §101 Non-Final OA — Pending Oct 31, 2025
19284760 BONE SCREW LOCKING RECEIVER AND BONE SCREW SYSTEM Mirus LLC SHIRSAT, MARCELA §102§103DP Non-Final OA — Pending Jul 30, 2025
19278100 SPINAL CAGE DEVICES, SYSTEMS, AND METHODS OF ASSEMBLY AND USE Mirus LLC YANG, ANDREW 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. §103§112 Non-Final OA — Pending May 06, 2025
19084400 ANTERIOR LUMBAR INTERBODY FUSION DEVICE WITH BIDIRECTIONAL SCREWS Mirus LLC GIBSON, ERIC SHANE §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 §102§103 Non-Final OA — Pending Mar 12, 2025
19071512 SPECIMEN COLLECTION APPARATUS Syramed Sciences, LLC MONTGOMERY, MELISSA JO §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 §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 §102§103§112 Non-Final OA — Pending Nov 22, 2024
18933946 CONCRETE REPAIR DEVICE Garland Industries, Inc. BUCKLE JR, JAMES J 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 §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 §102§103§112 Non-Final OA — Pending Mar 28, 2024
18607039 SWING ARM WELDING SYSTEM Industrial Steel Construction, Inc. GAMINO, CARLOS J 1735 §103 Final Rejection 19d Pending Mar 15, 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
18417939 METAL ALLOY HAVING ZIRCONIUM CONTAINING COATING Mirus LLC SHARMA, YASHITA 3774 §103 Non-Final OA — Pending Jan 19, 2024
18418007 METAL ALLOY HAVING TITANIUM COATING Mirus LLC WHITE, KIA XIONG 3774 §102§103 Non-Final OA — Pending Jan 19, 2024
18400338 ORTHOPEDIC MEDICAL DEVICES THAT INCLUDE COATING MATERIAL Mirus LLC WHITE, KIA XIONG 3774 §103 Non-Final OA — Pending Dec 29, 2023
18386702 SYSTEMS AND METHODS FOR TRANSFORMING DIGITAL AUDIO CONTENT Tree Goat Media, Inc. SCHREIBER, CHRISTINA MARIE 2837 §112 Non-Final OA — 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
18219798 SYSTEM FOR PERFORMING REAL-TIME AORTIC VALVE DIAMETER MEASUREMENT Mirus LLC TOMBERS, JOSEPH A 3791 §102§103§112 Non-Final OA — Pending Jul 10, 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
17945533 Device and Method for the Production or Management of a Powder Mixture, Additive Manufacturing Method and Powder Mixture Volkmann GmbH INSLER, ELIZABETH 1774 §102§103§112 Final Rejection 11d overdue Pending Sep 15, 2022
17876282 MEDICAL DEVICE THAT INCLUDES A REFRACTORY METAL ALLOY Mirus LLC HILL, STEPHANI A 1735 §103§112Other Non-Final OA 16d overdue Pending Jul 28, 2022
17677555 PORTABLE RESISTANCE WORKOUT APPARATUSES AND SYSTEMS Rhino Boss LLC GANESAN, SUNDHARA M 3784 §103Other Non-Final OA 856d overdue Pending Feb 22, 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

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