Prosecution Insights
Last updated: October 25, 2026

Chambliss, Bahner & Stophel, P.C.

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

5 pending office actions • 5 clients • 5 examiners • 5 art units • 0 of 5 (0%) have an AI response strategy ready

Analysis

CHAMBLISS, BAHNER & STOPHEL, P.C. has 6 pending office actions in Chemistry & Materials and 619 career applications. The application record provides broader context for the current docket and indicates established activity in the technology area.

Its resolved allowance rate is 84.86%, with an average of 2.62 office actions per allowance. These figures connect favorable resolution with the amount of examination activity associated with an allowance. Applicants can use them to assess whether the firm’s record fits matters requiring active claim refinement while maintaining a relatively contained response cycle within the reported portfolio.

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

Quality Metrics (n=619 apps, methodology: how we score firms)

84.9%
Allowance Rate
n=619
+0.52σ
Allowance Rate (norm)
n=619
2.6
OAs to Allowance
n=325
-0.34σ
OAs to Allow (norm)
n=325
810 days
Time to Allowance
n=325
+4.4pp
Interview Lift
n=619
12.5%
RCE Rate
n=619
1.5%
Appeal Rate
n=619

Rejection Performance (% of received rejections ultimately overcome)

—
§101 Overcome
n=19 (min 20)
76.2%
§102 Overcome
n=143
77.6%
§103 Overcome
n=228
80.8%
§112 Overcome
n=156

Specialization & Scale

E01C, B02C, A61F
Top CPC Subclasses
16%
Top-3 CPC Share
n=619
1
Practitioners
n=619
619.0
Apps / Practitioner
n=619

Portfolio Summary

5
Total Pending OAs
3
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

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.

2
Hard (40%)
2
Medium (40%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (40%)
§112 only1 (20%)
Multi-statute (no §101)2 (40%)

Industry Mix

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

2
Life Sciences
40% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
3
Mechanical / Eng
60% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
RESTAINO, ANDREW PETER 1 72.4% +39.2%
GIORDANO, MICHAEL JAMES 1 76.9% +18.6%
OGDEN JR, NECHOLUS 1 69.7% +23.7%
RENWICK, REGINALD A 1 70.1% +9.3%
LOUGHRAN, RYAN PATRICK 1 76.1% +28.2%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18519980 ELECTRONIC PRINTERLESS TICKET ISSUANCE SYSTEM AND METHOD OF USE RENWICK, REGINALD A —
18330500 CONSTRUCTION METHODS USING SYNTHETIC POLYMER BINDERS LOUGHRAN, RYAN PATRICK —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
19080284 INTERLOCKING TWO-PART STRUCTURES RESTAINO, ANDREW PETER —
18709337 A HEATING SYSTEM THAT PRODUCES HEAT FROM A SOURCE OF ROTATIONAL MOTION GIORDANO, MICHAEL JAMES —
18627077 HIGH BUTTERS CONTENT SOAP AND METHODS OGDEN JR, NECHOLUS —
18330500 CONSTRUCTION METHODS USING SYNTHETIC POLYMER BINDERS LOUGHRAN, RYAN PATRICK —

Client Portfolio (5 clients)

Top Art Units

Art UnitApps
37711
37621
17611
37151
17311

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19080284 INTERLOCKING TWO-PART STRUCTURES Winter Innovations, Inc. RESTAINO, ANDREW PETER 3771 §112Other Non-Final OA — Pending Mar 14, 2025
18709337 A HEATING SYSTEM THAT PRODUCES HEAT FROM A SOURCE OF ROTATIONAL MOTION H20 Turbines Ltd. GIORDANO, MICHAEL JAMES 3762 §103 Non-Final OA — Pending May 10, 2024
18627077 HIGH BUTTERS CONTENT SOAP AND METHODS Vanguard Soap LLC OGDEN JR, NECHOLUS 1761 §103 Final Rejection — Pending Apr 04, 2024
18519980 ELECTRONIC PRINTERLESS TICKET ISSUANCE SYSTEM AND METHOD OF USE Sticky Tickets, Inc. RENWICK, REGINALD A 3715 §102§103 Non-Final OA — Pending Nov 27, 2023
18330500 CONSTRUCTION METHODS USING SYNTHETIC POLYMER BINDERS Pike Scientific Industries LLC LOUGHRAN, RYAN PATRICK 1731 §103§112 Final Rejection — Pending Jun 07, 2023

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Frequently Asked Questions

What is Chambliss, Bahner & Stophel, P.C.'s patent allowance rate?

84.9% of resolved applications prosecuted by Chambliss, Bahner & Stophel, P.C. were allowed, across 619 applications in USPTO records.

How many office actions does Chambliss, Bahner & Stophel, P.C. average before allowance?

2.62 office actions per allowed application on average.

How many pending office actions does Chambliss, Bahner & Stophel, P.C. have?

5 pending office actions as of October 2026, for 5 clients, before 5 examiners in 5 art units.

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