Prosecution Insights
Last updated: October 04, 2026

Best & Flanagan LLP

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

19 pending office actions • 17 clients • 19 examiners • 14 art units • 0 of 19 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Best & Flanagan LLP has an extensive history in Transportation, E-Commerce & Mechanical Systems, with 10121 career applications. The firm maintains a resolved allowance rate of 85.95 percent, demonstrating a high level of success across a very large volume of filings. There are currently 18 pending office actions being handled by the firm relative to its 10121 career applications.

The firm is efficient in its prosecution, averaging only 1.6 office actions per allowance. This 1.6 average is notably low, suggesting a direct path to patent grant with minimal examiner interaction. For practitioners, the combination of 10121 career applications and an 85.95 percent resolved allowance rate highlights a firm with deep experience and a proven strategy. The 1.6 office actions per allowance metric further emphasizes the firm's efficiency, while the 18 pending office actions show its continued activity in its specialized technology sector.

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

Quality Metrics (n=10121 apps, methodology: how we score firms)

86.0%
Allowance Rate
n=10121
+0.50σ
Allowance Rate (norm)
n=10121
1.6
OAs to Allowance
n=8474
-1.04σ
OAs to Allow (norm)
n=8474
850 days
Time to Allowance
n=8474
+5.2pp
Interview Lift
n=10121
4.6%
RCE Rate
n=10121
0.8%
Appeal Rate
n=10121

Rejection Performance (% of received rejections ultimately overcome)

74.5%
§101 Overcome
n=184
80.0%
§102 Overcome
n=2288
78.8%
§103 Overcome
n=3611
83.0%
§112 Overcome
n=2548

Specialization & Scale

Y10T, B25B, A63B
Top CPC Subclasses
12%
Top-3 CPC Share
n=10121
0
Practitioners
n=10121
—
Apps / Practitioner
n=10121 (min 20)

Portfolio Summary

19
Total Pending OAs
12
Non-Final OAs
7
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 3 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
1
Due this month
1
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (1)Due ≤ 30 days (1)Due ≤ 60 days (1)

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.

15
Hard (79%)
4
Medium (21%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (11%)
§103 only3 (16%)
§102 only1 (5%)
Multi-statute (no §101)13 (68%)

Industry Mix

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

7
Life Sciences
37% of docket
1
Information Tech
5% of docket
1
Communications
5% of docket
0
Semiconductors
0% of docket
6
Mechanical / Eng
32% of docket
4
Business / Other
21% 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.

190 h
Manual time on pending OAs
38 h
Time saved (low, 20%)
66 h
Time saved (mid, 35%)
1.7 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ARAQUE JR, GERARDO 1 9.5% +15.8%
HANSEN, JAMES ORVILLE 1 70.5% +21.9%
DORNBUSCH, DIANNE 1 73.9% +35.2%
ARCE, MARLON ALEXANDER 1 85.5% +11.0%
MERCIER, MELISSA S 1 72.1% +5.8%
RUSSELL, STEPHEN MATTHEW 1 63.6% +34.4%
EBBINGHAUS, BRIANA NOEL 1 61.6% +63.5%
TURK, NEIL N 1 51.0% +44.3%
WEI, SIREN 1 87.1% +12.4%
AZPURU, CARLOS A 1 83.8% +10.7%

Hard Cases (15)

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
18457403 PREPARATION METHOD OF BATTERY COMPOSITE MATERIAL AND PRECURSOR THEREOF MCCARTY, PATRICK M 20d
18195365 PHOTOPLETHYSMOGRAM SYSTEM AND METHOD MOHAMMED, SHAHDEEP 40d
19108569 METHOD FOR METAL RECYCLING AND REGENERATION PRODUCTION TRACEABILITY WITH CARBON DISCLOSURE ARAQUE JR, GERARDO —
19061931 TABLE WITH UPRIGHT ASSEMBLY HANSEN, JAMES ORVILLE —
19038123 Stone Removal Device DORNBUSCH, DIANNE —
18971216 Bicycle wire-holding seat and a headset thereof ARCE, MARLON ALEXANDER —
18802834 Exosomes for treating glioblastoma multiforme and manufacturing method thereof MERCIER, MELISSA S —
18761628 CELL REPAIR-PROMOTING EXTRACELLULAR VESICLE, PRODUCTION METHOD, PREPARATION, AND USE THEREOF EBBINGHAUS, BRIANA NOEL —

Interview Candidates (9)

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
18247581 Automatic Forming Machine for Pulp Molding Product RUSSELL, STEPHEN MATTHEW 28d overdue
19108569 METHOD FOR METAL RECYCLING AND REGENERATION PRODUCTION TRACEABILITY WITH CARBON DISCLOSURE ARAQUE JR, GERARDO —
19061931 TABLE WITH UPRIGHT ASSEMBLY HANSEN, JAMES ORVILLE —
19038123 Stone Removal Device DORNBUSCH, DIANNE —
18971216 Bicycle wire-holding seat and a headset thereof ARCE, MARLON ALEXANDER —
18761628 CELL REPAIR-PROMOTING EXTRACELLULAR VESICLE, PRODUCTION METHOD, PREPARATION, AND USE THEREOF EBBINGHAUS, BRIANA NOEL —
18723663 Integrated Automated Cell Culture Device TURK, NEIL N —
18583546 NETWORK CONNECTION MODULE AND METHOD FOR SELECTING BRIDGING POINT THEREOF WEI, SIREN —

Client Portfolio (17 clients)

Top Art Units

Art UnitApps
37612
36291
36371
16151
17481
16131
24671
16171
26311
17731

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19108569 METHOD FOR METAL RECYCLING AND REGENERATION PRODUCTION TRACEABILITY WITH CARBON DISCLOSURE Hf Investment Ltd. ARAQUE JR, GERARDO 3629 §101§103§112 Non-Final OA — Pending Mar 04, 2025
19061931 TABLE WITH UPRIGHT ASSEMBLY Liv Lifestyle Co. HANSEN, JAMES ORVILLE 3637 §102§103§112 Non-Final OA — Pending Feb 24, 2025
19038123 Stone Removal Device Silver Bell Enterprise Inc. DORNBUSCH, DIANNE §103§112 Non-Final OA — Pending Jan 27, 2025
18971216 Bicycle wire-holding seat and a headset thereof Glory Wheel Enterprise Co., Ltd. ARCE, MARLON ALEXANDER §102§112 Non-Final OA — Pending Dec 06, 2024
18802834 Exosomes for treating glioblastoma multiforme and manufacturing method thereof China Medical University MERCIER, MELISSA S 1615 §103§112 Final Rejection — Pending Aug 13, 2024
18247581 Automatic Forming Machine for Pulp Molding Product Foshan City Meiwanbang Technology Co., Ltd. RUSSELL, STEPHEN MATTHEW 1748 §102 Final Rejection 28d overdue Pending Aug 07, 2024
18761628 CELL REPAIR-PROMOTING EXTRACELLULAR VESICLE, PRODUCTION METHOD, PREPARATION, AND USE THEREOF China Medical University EBBINGHAUS, BRIANA NOEL 1613 §101§103§112 Non-Final OA — Pending Jul 02, 2024
18723663 Integrated Automated Cell Culture Device Medigen Biotechnology Corp. TURK, NEIL N §103§112 Non-Final OA — Pending Jun 24, 2024
18583546 NETWORK CONNECTION MODULE AND METHOD FOR SELECTING BRIDGING POINT THEREOF Gunitech Corp. WEI, SIREN 2467 §103§112 Non-Final OA — Pending Feb 21, 2024
18434050 SOLUTION FOR PRESERVING EXTRACELLULAR VESICLES/EXOSOMES, METHOD FOR PRESERVING THE SAME, AND MIXED SOLUTION THEREOF China Medical University AZPURU, CARLOS A 1617 §103§112 Non-Final OA — Pending Feb 06, 2024
18433038 LENS HEATING DEVICE FOR A VEHICLE LAMP Min Hsiang Corporation WUNDERLICH, ERWIN J §102§103§112 Non-Final OA — Pending Feb 05, 2024
18392285 DIGITAL CIRCUIT FOR MULTIPLE ANTENNA REMOTE RADIO HEAD AND RADIO UNIT Ranictek Inc. AHN, SUNG S 2631 §103 Final Rejection — Pending Dec 21, 2023
18540048 BUFFERING DEVICE FOR FILTER BOTTLE Ching-Hsiung Lin GURTOWSKI, RICHARD C 1773 §103 Final Rejection — Pending Dec 14, 2023
18499404 SEGMENTED GUIDE RAIL AND FRAME OF MASSAGE CHAIR AND MASSAGE CHAIR Shanghai Rongtai Health Technology Corporation Limited PRATT, LEROME DEWAYNE 3785 §102§103§112 Non-Final OA — Pending Nov 01, 2023
18457403 PREPARATION METHOD OF BATTERY COMPOSITE MATERIAL AND PRECURSOR THEREOF Advanced Lithium Electrochemistry Co., Ltd. MCCARTY, PATRICK M 1774 §102§103§112 Non-Final OA 20d Pending Aug 29, 2023
18353961 SAUNA HEATER Dcc Technology Co., Ltd. BOSS, MARISSA RAE 3761 §103§112 Non-Final OA — Pending Jul 18, 2023
18195365 PHOTOPLETHYSMOGRAM SYSTEM AND METHOD Pranaq Pte. Ltd. MOHAMMED, SHAHDEEP 3797 §103§112 Final Rejection 40d Pending May 09, 2023
18172408 Method for Stabilizing an Electrode Using a Functional Layer, the Electrode, and Applications Thereof National Taiwan University Of Science And Technology RUFO, LOUIS J 1795 §102§112 Final Rejection — Pending Feb 22, 2023
18168365 Adjusting Device of Imitation Flame of Electric Fireplace Uni-Splendor Corporation MITCHUM, DREW JOSEPH 3761 §103 Final Rejection — Pending Feb 13, 2023

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