Prosecution Insights
Last updated: October 04, 2026

Hahn Loeser & Parks, LLP

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

13 pending office actions • 7 clients • 11 examiners • 8 art units • 0 of 13 (0%) have an AI response strategy ready

Analysis

HAHN LOESER & PARKS, LLP specializes in Transportation, E-Commerce & Mechanical Systems. The firm has handled 3130 career applications and currently has 9 pending office actions. Its resolved allowance rate is 82.11 percent, achieved with an average of 3.37 office actions per allowance.

The 82.11 percent allowance rate provides a baseline for the firm's performance across its 3130 career applications. With 3.37 average office actions per allowance, the firm shows a standard level of engagement with the patent office. These metrics reflect the firm's extensive experience in mechanical and e-commerce patent prosecution. This established track record is relevant for the 9 pending office actions currently being managed in the Transportation, E-Commerce & Mechanical Systems sector. The firm's history with 3130 career applications demonstrates its ability to maintain an 82.11 percent allowance rate while navigating the complexities of mechanical systems examination.

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

Quality Metrics (n=3130 apps, methodology: how we score firms)

82.1%
Allowance Rate
n=3130
+0.56σ
Allowance Rate (norm)
n=3130
3.4
OAs to Allowance
n=2019
+0.01σ
OAs to Allow (norm)
n=2019
1170 days
Time to Allowance
n=2019
+9.3pp
Interview Lift
n=3130
22.1%
RCE Rate
n=3130
3.1%
Appeal Rate
n=3130

Rejection Performance (% of received rejections ultimately overcome)

78.3%
§101 Overcome
n=138
81.7%
§102 Overcome
n=739
82.1%
§103 Overcome
n=1174
83.7%
§112 Overcome
n=847

Specialization & Scale

Y10T, B62D, B22D
Top CPC Subclasses
12%
Top-3 CPC Share
n=3130
8
Practitioners
n=3130
391.2
Apps / Practitioner
n=3130

Portfolio Summary

13
Total Pending OAs
8
Non-Final OAs
5
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.

2
Overdue
1
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. 3 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 7 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.

5
Hard (38%)
6
Medium (46%)
2
Easy (15%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (38%)
§112 only2 (15%)
Double-patenting + other1 (8%)
Multi-statute (no §101)5 (38%)

Industry Mix

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

2
Life Sciences
15% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
8% of docket
6
Mechanical / Eng
46% of docket
4
Business / Other
31% 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.

130 h
Manual time on pending OAs
26 h
Time saved (low, 20%)
46 h
Time saved (mid, 35%)
1.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LIN, CHENG XI 2 84.6% +13.9%
KOTTER, KIP T 2 67.9% +21.4%
BELLINGER, JASON R 1 70.0% +18.7%
HAWKINS, JASON KHALIL 1 67.5% +44.3%
AHMED ALI, MOHAMED K 1 71.0% +26.9%
PETERS, BRIAN O 1 72.9% +16.1%
SHAKERI, HADI 1 62.1% +37.0%
MITCHELL, NATHAN A 1 73.0% +10.0%
CULLER, JILL E 1 57.2% +13.9%
KONOPELSKI SNAVEL, SARA ELIZABETH 1 33.3% +38.9%

Hard Cases (5)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
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 (12)

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
17612047 Variant Single-Chain Insulin Analogues KONOPELSKI SNAVEL, SARA ELIZABETH 10d overdue
18569832 GOLF TRAINING DEVICE PETERS, BRIAN O 5d
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 —
18717298 BIO-PEN STRUCTURE FOR IMPROVING MIXING HOMOGENEITY AND BIO-PRINTING METHOD USING THE SAME AHMED ALI, MOHAMED K —

Client Portfolio (7 clients)

Top Art Units

Art UnitApps
36152
17431
37111
37231
36271
28531
16581
36631

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
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 §102§103§112Other Non-Final OA — Pending Oct 11, 2024
18911394 RATCHET MECHANISM AND RATCHET PAWL Matco Tools Corporation HAWKINS, JASON KHALIL §102§103 Non-Final OA — Pending Oct 10, 2024
18907793 TRACK FOR TRACTION OF A VEHICLE Camso Inc. KOTTER, KIP T §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 §103§112 Non-Final OA — Pending Apr 23, 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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