Prosecution Insights
Last updated: October 04, 2026

K&L Gates LLP - Chicago

Technology areas: Biotechnology & Pharmaceuticals • Medical Devices & Mechanical Engineering

7 pending office actions • 2 clients • 7 examiners • 4 art units • 0 of 7 (0%) have an AI response strategy ready • 8 patents granted in the last 365 days

Analysis

K&L Gates LLP-Chicago focuses on Chemistry & Materials. It has 34213 career applications. The firm has a resolved allowance rate of 84.55 percent. It averages 3.82 office actions per allowance. There are 171 pending office actions.

The 84.55 percent allowance rate is derived from 34213 career applications. The average of 3.82 office actions per allowance reflects the typical interaction with the patent office. The 171 pending office actions represent the firm's current workload in chemistry.

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

Quality Metrics (n=34213 apps, methodology: how we score firms)

84.6%
Allowance Rate
n=34213
+0.65σ
Allowance Rate (norm)
n=34213
3.8
OAs to Allowance
n=20667
+0.03σ
OAs to Allow (norm)
n=20667
1082 days
Time to Allowance
n=20667
+8.9pp
Interview Lift
n=34213
32.5%
RCE Rate
n=34213
2.7%
Appeal Rate
n=34213

Rejection Performance (% of received rejections ultimately overcome)

76.2%
§101 Overcome
n=2437
77.2%
§102 Overcome
n=9011
77.9%
§103 Overcome
n=15242
77.9%
§112 Overcome
n=10440

Specialization & Scale

A61K, H01M, G06F
Top CPC Subclasses
13%
Top-3 CPC Share
n=34213
90
Practitioners
n=34213
380.1
Apps / Practitioner
n=34213

Portfolio Summary

7
Total Pending OAs
3
Non-Final OAs
4
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
Due later

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.

1
Hard (14%)
5
Medium (71%)
1
Easy (14%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only5 (71%)
§112 only1 (14%)
Multi-statute (no §101)1 (14%)

Industry Mix

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

1
Life Sciences
14% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
4
Mechanical / Eng
57% of docket
2
Business / Other
29% 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.

70 h
Manual time on pending OAs
14 h
Time saved (low, 20%)
24 h
Time saved (mid, 35%)
0.6 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
LEVY, BRANDON WILLIAM 1 62.7% +46.3%
MARSH, OWEN LEWIS 1 66.7% +50.0%
SHARMA, YASHITA 1 81.8% +24.6%
BASQUILL, SEAN M 1 38.8% +21.7%
TOTH, KAREN E 1 46.4% +25.8%
MANNAN, MIKAIL A 1 68.5% +23.5%
EISEMAN, LYNSEY C 1 49.1% +39.9%

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
18539423 BIORESORBABLE CORNEAL IMPLANTS SHARMA, YASHITA —

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18663943 PHOTOACTIVATION SYSTEMS AND METHODS FOR CORNEAL CROSS-LINKING TREATMENTS MARSH, OWEN LEWIS —

Interview Candidates (7)

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 7 ordered by deadline are shown.

App #TitleExaminerDue in
13438705 CONTROLLED CROSS-LINKING INITIATION AND CORNEAL TOPOGRAPHY FEEDBACK SYSTEMS FOR DIRECTING CROSS-LINKING EISEMAN, LYNSEY C 20d
18913142 INSERTION SYSTEM FOR DELIVERY OF ACTIVE PHARMACEUTICAL AGENTS INSIDE THE EYE LEVY, BRANDON WILLIAM —
18663943 PHOTOACTIVATION SYSTEMS AND METHODS FOR CORNEAL CROSS-LINKING TREATMENTS MARSH, OWEN LEWIS —
18539423 BIORESORBABLE CORNEAL IMPLANTS SHARMA, YASHITA —
18359642 OPHTHALMIC TOPICAL CREAM FORMULATIONS AND USES THEREOF BASQUILL, SEAN M —
17844497 INTRAOCULAR PHYSIOLOGICAL SENSOR TOTH, KAREN E —
17125466 OCULAR TISSUE PERFORATION DEVICE MANNAN, MIKAIL A —

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
GLAUKOS 4
Avedro 3

Top Art Units

Art UnitApps
37742
16141
37911
37961

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
18913142 INSERTION SYSTEM FOR DELIVERY OF ACTIVE PHARMACEUTICAL AGENTS INSIDE THE EYE Glaukos Corporation LEVY, BRANDON WILLIAM §103 Non-Final OA — Pending Oct 11, 2024
18663943 PHOTOACTIVATION SYSTEMS AND METHODS FOR CORNEAL CROSS-LINKING TREATMENTS Avedro, Inc. MARSH, OWEN LEWIS §102§103§112Other Non-Final OA — Pending May 14, 2024
18539423 BIORESORBABLE CORNEAL IMPLANTS Avedro, Inc. SHARMA, YASHITA 3774 §103 Final Rejection — Pending Dec 14, 2023
18359642 OPHTHALMIC TOPICAL CREAM FORMULATIONS AND USES THEREOF Glaukos Corporation BASQUILL, SEAN M 1614 §103 Final Rejection — Pending Jul 26, 2023
17844497 INTRAOCULAR PHYSIOLOGICAL SENSOR Glaukos Corporation TOTH, KAREN E 3791 §112 Final Rejection — Pending Jun 20, 2022
17125466 OCULAR TISSUE PERFORATION DEVICE Glaukos Corporation MANNAN, MIKAIL A 3774 §103 Final Rejection — Pending Dec 17, 2020
13438705 CONTROLLED CROSS-LINKING INITIATION AND CORNEAL TOPOGRAPHY FEEDBACK SYSTEMS FOR DIRECTING CROSS-LINKING Avedro, Inc. EISEMAN, LYNSEY C 3796 §103 Non-Final OA 20d Pending Apr 03, 2012

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