Prosecution Insights
Last updated: October 25, 2026

Butler Snow LLP

Technology areas: Transportation, E-Commerce & Mechanical Systems • Medical Devices & Mechanical Engineering

11 pending office actions • 8 clients • 10 examiners • 8 art units • 0 of 11 (0%) have an AI response strategy ready

Analysis

BUTLER SNOW LLP handles patent prosecution in Medical Devices & Mechanical Engineering, with 11 pending office actions and 553 career applications in the reported record. The resolved allowance rate is 81.75%, indicating that a substantial share of resolved matters reached allowance.

The average of 3.66 office actions per allowance provides a prosecution-effort measure alongside that allowance rate. For practitioners, the combination of a moderate pending workload and these historical resolution metrics can inform expectations about examination activity and the effort associated with pursuing allowance 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=553 apps, methodology: how we score firms)

81.8%
Allowance Rate
n=553
+0.53σ
Allowance Rate (norm)
n=553
3.7
OAs to Allowance
n=309
+0.03σ
OAs to Allow (norm)
n=309
1133 days
Time to Allowance
n=309
+11.6pp
Interview Lift
n=553
32.8%
RCE Rate
n=553
0.3%
Appeal Rate
n=553

Rejection Performance (% of received rejections ultimately overcome)

70.4%
§101 Overcome
n=44
79.7%
§102 Overcome
n=133
72.3%
§103 Overcome
n=202
79.0%
§112 Overcome
n=152

Specialization & Scale

G01N, A61K, C12Q
Top CPC Subclasses
12%
Top-3 CPC Share
n=553
2
Practitioners
n=553
276.5
Apps / Practitioner
n=553

Portfolio Summary

11
Total Pending OAs
6
Non-Final OAs
5
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.

4
Overdue
0
Due this week
0
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 (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.

7
Hard (64%)
4
Medium (36%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other2 (18%)
§103 only1 (9%)
§102 only2 (18%)
Double-patenting + other1 (9%)
Multi-statute (no §101)5 (45%)

Industry Mix

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

3
Life Sciences
27% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
8
Mechanical / Eng
73% 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.

110 h
Manual time on pending OAs
22 h
Time saved (low, 20%)
38 h
Time saved (mid, 35%)
1.0 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
MCMAHON, MATTHEW R 2 57.3% +53.0%
ZAMAN, SADARUZ 1 46.0% +33.5%
SHERR, MARIA CRISTI OWEN 1 26.2% +13.8%
XU, JUSTIN 1 60.7% +35.8%
PRIEST, AARON A 1 61.4% +25.6%
LIM, SENG HENG 1 65.6% +29.5%
MCCLAIN, STARFARI TESHAWN 1 91.2% -12.5%
BLEDSOE, JOSHUA CALEB 1 43.9% +45.8%
CROSBY JR, RICHARD D 1 69.3% +15.0%
NATNITHITHADHA, NAVIN 1 71.7% +30.0%

Hard Cases (7)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 7 ordered by deadline are shown.

App #TitleExaminerDue in
18947992 SMART PROXY SYSTEMS AND METHODS FOR TOKENIZATION AND POINT-TO-POINT ENCRYPTION SERVICES SHERR, MARIA CRISTI OWEN 147d overdue
17697855 Modular Electric Hair-Cutting Devices and Methods CROSBY JR, RICHARD D 113d overdue
17373374 THERMOMETER DEVICE NATNITHITHADHA, NAVIN 53d overdue
18820712 Method and Apparatus for Connecting and Reinforcing Pre-Manufactured Parts MCMAHON, MATTHEW R —
18796526 Method and Apparatus for Connecting and Reinforcing Pre-Manufactured Parts MCMAHON, MATTHEW R —
18736143 SYSTEMS AND METHODS FOR PREDICTING DISEASES XU, JUSTIN —
18112446 FUNCTIONAL CARBON MATERIALS AND METHODS OF MAKING THE SAME MCCLAIN, STARFARI TESHAWN —

Interview Candidates (10)

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
18947992 SMART PROXY SYSTEMS AND METHODS FOR TOKENIZATION AND POINT-TO-POINT ENCRYPTION SERVICES SHERR, MARIA CRISTI OWEN 147d overdue
17697855 Modular Electric Hair-Cutting Devices and Methods CROSBY JR, RICHARD D 113d overdue
17848342 FUNCTIONAL CARBON MATERIALS AND METHODS OF MAKING THE SAME BLEDSOE, JOSHUA CALEB 77d overdue
17373374 THERMOMETER DEVICE NATNITHITHADHA, NAVIN 53d overdue
18984290 BALL FEEDING SYSTEMS AND METHODS ZAMAN, SADARUZ —
18820712 Method and Apparatus for Connecting and Reinforcing Pre-Manufactured Parts MCMAHON, MATTHEW R —
18796526 Method and Apparatus for Connecting and Reinforcing Pre-Manufactured Parts MCMAHON, MATTHEW R —
18736143 SYSTEMS AND METHODS FOR PREDICTING DISEASES XU, JUSTIN —

Client Portfolio (8 clients)

Top Art Units

Art UnitApps
37152
36782
37912
36971
16811
17361
17621
37241

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18984290 BALL FEEDING SYSTEMS AND METHODS Pillar Vision, Inc. ZAMAN, SADARUZ 3715 §102 Non-Final OA — Pending Dec 17, 2024
18947992 SMART PROXY SYSTEMS AND METHODS FOR TOKENIZATION AND POINT-TO-POINT ENCRYPTION SERVICES Bluefin Payment Systems, LLC SHERR, MARIA CRISTI OWEN 3697 §101§103 Final Rejection 147d overdue Pending Nov 14, 2024
18820712 Method and Apparatus for Connecting and Reinforcing Pre-Manufactured Parts Adelie Blue Technologies, LLC MCMAHON, MATTHEW R 3678 §102§103§112Other Non-Final OA — Pending Aug 30, 2024
18796526 Method and Apparatus for Connecting and Reinforcing Pre-Manufactured Parts Adelie Blue Technologies, LLC MCMAHON, MATTHEW R 3678 §102§103§112Other Non-Final OA — Pending Aug 07, 2024
18736143 SYSTEMS AND METHODS FOR PREDICTING DISEASES Volatile Analysis Corporation XU, JUSTIN 3791 §101§103§112 Final Rejection — Pending Jun 06, 2024
18583640 AMPLICON RESCUE MULTIPLEX POLYMERASE CHAIN REACTION FOR AMPLIFICATION OF MULTIPLE TARGETS Irepertoire, Inc. PRIEST, AARON A 1681 §103DP Final Rejection — Pending Feb 21, 2024
18411574 PLAYER MONITORING SYSTEMS AND METHODS FOR EFFICIENTLY PROCESSING SENSOR DATA Pillar Vision, Inc. LIM, SENG HENG 3715 §102 Final Rejection — Pending Jan 12, 2024
18112446 FUNCTIONAL CARBON MATERIALS AND METHODS OF MAKING THE SAME The University of Southern California MCCLAIN, STARFARI TESHAWN 1736 §102§103 Non-Final OA — Pending Feb 21, 2023
17848342 FUNCTIONAL CARBON MATERIALS AND METHODS OF MAKING THE SAME The University of Southern California BLEDSOE, JOSHUA CALEB 1762 §103 Non-Final OA 77d overdue Pending Jun 23, 2022
17697855 Modular Electric Hair-Cutting Devices and Methods Duett, LLC CROSBY JR, RICHARD D 3724 §103§112 Non-Final OA 113d overdue Pending Mar 17, 2022
17373374 THERMOMETER DEVICE Jackson State University NATNITHITHADHA, NAVIN 3791 §102§103 Final Rejection 53d overdue Pending Jul 12, 2021

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Frequently Asked Questions

What is Butler Snow LLP's patent allowance rate?

81.8% of resolved applications prosecuted by Butler Snow LLP were allowed, across 553 applications in USPTO records.

How many office actions does Butler Snow LLP average before allowance?

3.66 office actions per allowed application on average.

How many pending office actions does Butler Snow LLP have?

11 pending office actions as of October 2026, for 8 clients, before 10 examiners in 8 art units.

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