Prosecution Insights
Last updated: October 25, 2026

Hahn Loeser & Parks, LLP

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

15 pending office actions • 7 clients • 12 examiners • 9 art units • 0 of 15 (0%) have an AI response strategy ready

Analysis

HAHN LOESER & PARKS, LLP focuses on Transportation, E-Commerce & Mechanical Systems, with 3,141 career applications and 15 pending office actions. Its resolved allowance rate is 82.12%, and the average number of office actions per allowance is 3.37.

The profile shows ongoing activity through 15 pending office actions within a 3,141-application record. The resolved allowance rate and 3.37 action average provide practitioners with complementary indicators for evaluating prosecution outcomes and effort.

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

Quality Metrics (n=3141 apps, methodology: how we score firms)

82.1%
Allowance Rate
n=3141
+0.54σ
Allowance Rate (norm)
n=3141
3.4
OAs to Allowance
n=2026
+0.00σ
OAs to Allow (norm)
n=2026
1170 days
Time to Allowance
n=2026
+9.3pp
Interview Lift
n=3141
22.0%
RCE Rate
n=3141
3.1%
Appeal Rate
n=3141

Rejection Performance (% of received rejections ultimately overcome)

78.3%
§101 Overcome
n=138
81.9%
§102 Overcome
n=739
82.0%
§103 Overcome
n=1175
83.7%
§112 Overcome
n=848

Specialization & Scale

Y10T, B62D, B22D
Top CPC Subclasses
12%
Top-3 CPC Share
n=3141
8
Practitioners
n=3141
392.6
Apps / Practitioner
n=3141

Portfolio Summary

15
Total Pending OAs
9
Non-Final OAs
6
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.

2
Overdue
1
Due this week
0
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 7 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.

6
Hard (40%)
7
Medium (47%)
2
Easy (13%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only6 (40%)
§112 only2 (13%)
Double-patenting + other1 (7%)
Multi-statute (no §101)6 (40%)

Industry Mix

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

2
Life Sciences
13% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
7% of docket
12
Mechanical / Eng
80% 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.

150 h
Manual time on pending OAs
30 h
Time saved (low, 20%)
52 h
Time saved (mid, 35%)
1.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KOTTER, KIP T 3 67.8% +21.5%
LIN, CHENG XI 2 84.9% +13.4%
ROGERS, ADAM D 1 82.2% +22.6%
BELLINGER, JASON R 1 70.0% +18.7%
HAWKINS, JASON KHALIL 1 68.0% +43.4%
AHMED ALI, MOHAMED K 1 70.9% +26.6%
PETERS, BRIAN O 1 72.9% +16.2%
SHAKERI, HADI 1 62.2% +36.8%
MITCHELL, NATHAN A 1 72.9% +10.0%
CULLER, JILL E 1 57.2% +13.9%

Hard Cases (6)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 6 ordered by deadline are shown.

App #TitleExaminerDue in
19113664 UNEVEN-EDGED TRACK FOR TRACTION OF A VEHICLE ROGERS, ADAM D —
18912688 Railroad Well Car Structure LIN, CHENG XI —
18911394 RATCHET MECHANISM AND RATCHET PAWL HAWKINS, JASON KHALIL —
18907793 TRACK FOR TRACTION OF A VEHICLE KOTTER, KIP T —
18783787 ENDLESS TRACK FOR TRACTION OF A VEHICLE KOTTER, KIP T —
18643037 RAILROAD CAR AND FLOOR STRUCTURE THEREFOR LIN, CHENG XI —

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
18569832 GOLF TRAINING DEVICE PETERS, BRIAN O 5d
18639668 TRACK SYSTEM FOR TRACTION OF A VEHICLE KOTTER, KIP T 40d
19113664 UNEVEN-EDGED TRACK FOR TRACTION OF A VEHICLE ROGERS, ADAM D —
19010875 TRACK SYSTEM FOR TRACTION OF AN OFF-ROAD VEHICLE SUCH AS A SNOWMOBILE OR AN ALL-TERRAIN VEHICLE (ATV) BELLINGER, JASON R —
18912688 Railroad Well Car Structure LIN, CHENG XI —
18911394 RATCHET MECHANISM AND RATCHET PAWL HAWKINS, JASON KHALIL —
18907793 TRACK FOR TRACTION OF A VEHICLE KOTTER, KIP T —
18783787 ENDLESS TRACK FOR TRACTION OF A VEHICLE KOTTER, KIP T —

Client Portfolio (7 clients)

Top Art Units

Art UnitApps
36156
37232
36171
17431
37111
36271
28531
16581
36631

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19113664 UNEVEN-EDGED TRACK FOR TRACTION OF A VEHICLE Camso Inc. ROGERS, ADAM D 3617 §103§112 Non-Final OA — Pending Mar 20, 2025
19010875 TRACK SYSTEM FOR TRACTION OF AN OFF-ROAD VEHICLE SUCH AS A SNOWMOBILE OR AN ALL-TERRAIN VEHICLE (ATV) Camso Inc. BELLINGER, JASON R 3615 §112 Non-Final OA — Pending Jan 06, 2025
18912688 Railroad Well Car Structure National Steel Car Limited LIN, CHENG XI 3615 §102§103§112Other Non-Final OA — Pending Oct 11, 2024
18911394 RATCHET MECHANISM AND RATCHET PAWL Matco Tools Corporation HAWKINS, JASON KHALIL 3723 §102§103 Non-Final OA — Pending Oct 10, 2024
18907793 TRACK FOR TRACTION OF A VEHICLE Camso Inc. KOTTER, KIP T 3615 §102§112 Non-Final OA — Pending Oct 07, 2024
18783787 ENDLESS TRACK FOR TRACTION OF A VEHICLE Camso Inc. KOTTER, KIP T 3615 §102§103§112 Non-Final OA — Pending Jul 25, 2024
18717298 BIO-PEN STRUCTURE FOR IMPROVING MIXING HOMOGENEITY AND BIO-PRINTING METHOD USING THE SAME Foundation For Research And Business, Seoul National University Of Science And Technology AHMED ALI, MOHAMED K 1743 §103 Final Rejection — Pending Jun 06, 2024
18643037 RAILROAD CAR AND FLOOR STRUCTURE THEREFOR National Steel Car Limited LIN, CHENG XI 3615 §103§112 Non-Final OA — Pending Apr 23, 2024
18639668 TRACK SYSTEM FOR TRACTION OF A VEHICLE Camso Inc. KOTTER, KIP T 3615 §103 Final Rejection 40d Pending Apr 18, 2024
18569832 GOLF TRAINING DEVICE Smash Doctor Golf, LLC PETERS, BRIAN O 3711 §103 Final Rejection 5d Pending Dec 13, 2023
18531832 RATCHETING WRENCH HEAD AND HANDLE ASSEMBLY Matco Tools Corporation SHAKERI, HADI 3723 §103 Final Rejection — Pending Dec 07, 2023
18382791 MOBILE STOREFRONT CONTROL SYSTEMS AND METHODS Matco Tools Corporation MITCHELL, NATHAN A 3627 §112 Non-Final OA — Pending Oct 23, 2023
18032891 SNOW STAKE UNIVERSITY COLLEGE CARDIFF CONSULTANTS LTD CULLER, JILL E 2853 §103 Final Rejection — Pending Apr 20, 2023
17612047 Variant Single-Chain Insulin Analogues Case Western Reserve University KONOPELSKI SNAVEL, SARA ELIZABETH 1658 §102§103DP Non-Final OA 10d overdue Pending Nov 17, 2021
17405649 MONITORING OF TRACK SYSTEM FOR TRACTION OF A VEHICLE Camso Inc. SANTOS, AARRON EDUARDO 3663 §103 Final Rejection 4d overdue Pending Aug 18, 2021

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Frequently Asked Questions

What is Hahn Loeser & Parks, LLP's patent allowance rate?

82.1% of resolved applications prosecuted by Hahn Loeser & Parks, LLP were allowed, across 3,141 applications in USPTO records.

How many office actions does Hahn Loeser & Parks, LLP average before allowance?

3.37 office actions per allowed application on average.

How many pending office actions does Hahn Loeser & Parks, LLP have?

15 pending office actions as of October 2026, for 7 clients, before 12 examiners in 9 art units.

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