Prosecution Insights
Last updated: October 04, 2026

Kean Miller LLP

Technology area: Chemistry & Materials

7 pending office actions • 6 clients • 7 examiners • 6 art units • 0 of 7 (0%) have an AI response strategy ready

Analysis

KEAN MILLER LLP focuses on Chemistry & Materials, with 559 career applications. The firm has a resolved allowance rate pct of 78.29. Currently, there are 6 pending office actions in its docket. This 78.29 resolved allowance rate pct provides a measure of the firm's success in navigating the examination process for Chemistry & Materials patents. The 6 pending office actions are fewer than the 559 career applications.

The average number of office actions per allowance is 3.22. This metric indicates the level of engagement required to move an application from filing to grant in the Chemistry & Materials field. The firm's history of 559 applications provides a sample size for these performance statistics. The 3.22 avg office actions per allowance suggests that clients should expect interaction with the USPTO. Practitioners can use the resolved allowance rate pct and the avg office actions per allowance to set expectations for the prosecution cycle.

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

Quality Metrics (n=559 apps, methodology: how we score firms)

78.3%
Allowance Rate
n=559
+0.40σ
Allowance Rate (norm)
n=559
3.2
OAs to Allowance
n=238
-0.11σ
OAs to Allow (norm)
n=238
973 days
Time to Allowance
n=238
+20.2pp
Interview Lift
n=559
24.0%
RCE Rate
n=559
1.0%
Appeal Rate
n=559

Rejection Performance (% of received rejections ultimately overcome)

69.0%
§101 Overcome
n=29
65.8%
§102 Overcome
n=111
69.3%
§103 Overcome
n=205
73.9%
§112 Overcome
n=176

Specialization & Scale

E21B, C08F, C08L
Top CPC Subclasses
10%
Top-3 CPC Share
n=559
7
Practitioners
n=559
79.9
Apps / Practitioner
n=559

Portfolio Summary

7
Total Pending OAs
5
Non-Final OAs
2
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.

4
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. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (4)

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.

4
Hard (57%)
3
Medium (43%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only3 (43%)
Multi-statute (no §101)4 (57%)

Industry Mix

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

3
Life Sciences
43% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
1
Semiconductors
14% of docket
2
Mechanical / Eng
29% of docket
1
Business / Other
14% 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
LAU, JASON 1 53.7% +15.6%
EISEMAN, LYNSEY C 1 49.1% +39.9%
BRYANT, REBECCA CAROLE 1 64.8% +32.5%
OLADAPO, TAIWO 1 52.9% +11.8%
ANDRISH, SEAN D 1 71.5% +32.1%
XU, JIANGTIAN 1 65.3% +35.8%
BUTCHER, ROBERT T 1 71.1% +17.0%

Hard Cases (4)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 4 ordered by deadline are shown.

App #TitleExaminerDue in
18103399 NANOHYBRID AND NANOCOMPOSITE COMPOSITIONS AND METHODS FOR MAKING AND USING SAME XU, JIANGTIAN 19d overdue
18867391 LIGHT THERAPY BLANKET EISEMAN, LYNSEY C —
18755085 CHEMICAL SENSORS USING COPPER HIGH-ASPECT STRUCTURES (CuHARS) AND METHODS FOR USING SAME BRYANT, REBECCA CAROLE —
18718052 SOLID-LIQUID BI-PHASE LUBRICATING DEVICES AND METHODS OF USING SAME OLADAPO, TAIWO —

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
19209036 METHOD AND APPARATUS FOR PROCESSING LIQUID WASTE STREAMS LAU, JASON 146d overdue
18454490 Multiple Pipe Borehole Installation Device, Method, and System ANDRISH, SEAN D 84d overdue
18103399 NANOHYBRID AND NANOCOMPOSITE COMPOSITIONS AND METHODS FOR MAKING AND USING SAME XU, JIANGTIAN 19d overdue
17773816 SURFACE ACTIVATED NANOHYBRID FLAME RETARDANTS AND POLYMERS PRODUCED THEREFROM BUTCHER, ROBERT T 17d overdue
18867391 LIGHT THERAPY BLANKET EISEMAN, LYNSEY C —
18755085 CHEMICAL SENSORS USING COPPER HIGH-ASPECT STRUCTURES (CuHARS) AND METHODS FOR USING SAME BRYANT, REBECCA CAROLE —
18718052 SOLID-LIQUID BI-PHASE LUBRICATING DEVICES AND METHODS OF USING SAME OLADAPO, TAIWO —

Client Portfolio (6 clients)

Top Art Units

Art UnitApps
37621
28771
17711
36781
17621
17641

Pending Office Actions

App #TitleClientExaminerArt UnitStatutesStatusDue inAIFiled
19209036 METHOD AND APPARATUS FOR PROCESSING LIQUID WASTE STREAMS Regensyn Energy LLC LAU, JASON 3762 §103 Final Rejection 146d overdue Pending May 15, 2025
18867391 LIGHT THERAPY BLANKET Equisol LLC EISEMAN, LYNSEY C §103§112 Non-Final OA — Pending Nov 19, 2024
18755085 CHEMICAL SENSORS USING COPPER HIGH-ASPECT STRUCTURES (CuHARS) AND METHODS FOR USING SAME Louisiana Tech Research Corporation BRYANT, REBECCA CAROLE 2877 §102§103§112 Non-Final OA — Pending Jun 26, 2024
18718052 SOLID-LIQUID BI-PHASE LUBRICATING DEVICES AND METHODS OF USING SAME P&S Global Holding LLC OLADAPO, TAIWO 1771 §102§103§112 Non-Final OA — Pending Jun 09, 2024
18454490 Multiple Pipe Borehole Installation Device, Method, and System BCM Hill Top Holdings, LLC ANDRISH, SEAN D 3678 §103 Non-Final OA 84d overdue Pending Aug 23, 2023
18103399 NANOHYBRID AND NANOCOMPOSITE COMPOSITIONS AND METHODS FOR MAKING AND USING SAME P&S Global Holdings LLC XU, JIANGTIAN 1762 §102§103§112 Non-Final OA 19d overdue Pending Jan 30, 2023
17773816 SURFACE ACTIVATED NANOHYBRID FLAME RETARDANTS AND POLYMERS PRODUCED THEREFROM P & S Global Holdings, LLC BUTCHER, ROBERT T 1764 §103 Final Rejection 17d overdue Pending May 02, 2022

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