Prosecution Insights
Last updated: October 25, 2026

Hahn Loeser & Parks, LLP - Chicago

Technology area: Communications

6 pending office actions • 4 clients • 6 examiners • 6 art units • 0 of 6 (0%) have an AI response strategy ready • 26 patents granted in the last 365 days

Analysis

Hahn Loeser & Parks, LLP - Chicago is associated with Communications and 3,141 career applications. It has 6 pending office actions, a resolved allowance rate of 82.12%, and an average of 3.37 office actions per allowance.

The Chicago profile identifies a limited current workload of 6 pending office actions against the application record. Practitioners can use the resolved allowance rate and action average to assess the reported prosecution history in Communications.

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

6
Total Pending OAs
3
Non-Final OAs
3
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.

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

-30dToday30d60d90d120d
Overdue (3)

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 (33%)
4
Medium (67%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (50%)
§102 only1 (17%)
Multi-statute (no §101)2 (33%)

Industry Mix

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

1
Life Sciences
17% of docket
0
Information Tech
0% of docket
2
Communications
33% of docket
1
Semiconductors
17% of docket
2
Mechanical / Eng
33% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
KO, TONY 1 87.8% +2.8%
ABU ALI, SHUANGYI 1 45.4% +37.7%
CALLAWAY, SPENCER THOMAS 1 35.2% +18.0%
COFINO, JONATHAN M 1 63.0% +31.9%
KAUR, JASPREET 1 75.9% +34.1%
WEILAND, HANS R. 1 56.2% +12.7%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
19109406 METHOD AND SYSTEM FOR COLOR FORMULATION KO, TONY —

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
18562453 APPARATUS AND METHOD WITH DYNAMIC INTERFACE FOR MECHANICAL, SELECTIVE WEED CONTROL IN CROPS INCLUDING TURFGRASSES CALLAWAY, SPENCER THOMAS 100d overdue
18658013 SILANE TREATED ANHYDROUS KAOLIN AND OTHER MINERALS ABU ALI, SHUANGYI —

Interview Candidates (5)

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 5 ordered by deadline are shown.

App #TitleExaminerDue in
18562453 APPARATUS AND METHOD WITH DYNAMIC INTERFACE FOR MECHANICAL, SELECTIVE WEED CONTROL IN CROPS INCLUDING TURFGRASSES CALLAWAY, SPENCER THOMAS 100d overdue
17315327 HIGH-EFFICIENCY DESALINATION WEILAND, HANS R. 99d overdue
18014999 VISUALIZING THE APPEARANCE OF AT LEAST TWO MATERIALS COFINO, JONATHAN M 73d overdue
18658013 SILANE TREATED ANHYDROUS KAOLIN AND OTHER MINERALS ABU ALI, SHUANGYI —
17986609 METHOD AND DEVICE FOR INVESTIGATING VISUAL PROPERTIES OF A SAMPLE SURFACE HAVING DEFECTS KAUR, JASPREET —

Client Portfolio (4 clients)

Client (Assignee)Pending OAs
Danaher 3
Burgess Pigment Company 1
SWARD LLC 1
Sylvan Source, Inc. 1

Top Art Units

Art UnitApps
28781
17311
36421
26141
26621
37631

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19109406 METHOD AND SYSTEM FOR COLOR FORMULATION X-Rite Europe GmbH KO, TONY 2878 §102 Non-Final OA — Pending Mar 06, 2025
18658013 SILANE TREATED ANHYDROUS KAOLIN AND OTHER MINERALS Burgess Pigment Company ABU ALI, SHUANGYI 1731 §103§112 Non-Final OA — Pending May 08, 2024
18562453 APPARATUS AND METHOD WITH DYNAMIC INTERFACE FOR MECHANICAL, SELECTIVE WEED CONTROL IN CROPS INCLUDING TURFGRASSES Sward LLC CALLAWAY, SPENCER THOMAS 3642 §103§112 Non-Final OA 100d overdue Pending Nov 20, 2023
18014999 VISUALIZING THE APPEARANCE OF AT LEAST TWO MATERIALS X-Rite Europe GmbH COFINO, JONATHAN M 2614 §103 Final Rejection 73d overdue Pending Jan 06, 2023
17986609 METHOD AND DEVICE FOR INVESTIGATING VISUAL PROPERTIES OF A SAMPLE SURFACE HAVING DEFECTS X-Rite Europe GmbH KAUR, JASPREET 2662 §103 Final Rejection — Pending Nov 14, 2022
17315327 HIGH-EFFICIENCY DESALINATION Sylvan Source, Inc. WEILAND, HANS R. 3763 §103 Final Rejection 99d overdue Pending May 09, 2021

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Frequently Asked Questions

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

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

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

3.37 office actions per allowed application on average.

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

6 pending office actions as of October 2026, for 4 clients, before 6 examiners in 6 art units.

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