Prosecution Insights
Last updated: October 25, 2026

Maxterial Inc.

Technology areas: Chemistry & Materials • Medical Devices & Mechanical Engineering

6 pending office actions • 4 art units • 6 examiners • 0 of 6 (0%) have an AI response strategy ready • 2 patents granted in the last 365 days

Analysis

Maxterial Inc. has 6 pending office actions in Chemistry & Materials. The matters involve 6 distinct examiners and 4 distinct art units. Examiner assignments are fully dispersed, while several matters are handled within recurring art-unit assignments. Counsel should combine centralized portfolio tracking with art-unit-specific analysis of claim scope and prior-art issues.

ARUNDALE, ROBERT K is the busiest examiner, with 1 pending matter. No examiner has a concentrated share of the workload. A common technical framework may support consistency, but each response should address the individual examiner record.

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

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
Overdue
0
Due this week
0
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.

3
Hard (50%)
2
Medium (33%)
1
Easy (17%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (17%)
§102 only1 (17%)
Double-patenting only1 (17%)
Multi-statute (no §101)3 (50%)

Industry Mix

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

4
Life Sciences
67% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% 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
YE, XINWEN 1 43.1% +44.3%
ARUNDALE, ROBERT K 1 75.6% +23.6%
HORGER, KIM S. 1 70.4% +20.6%
LU, HAOTIAN 1 61.8% +35.3%
SYLVESTER, KEVIN 1 47.5% +27.4%
WANG, XIAOBEI 1 65.3% +48.2%

Hard Cases (3)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 3 ordered by deadline are shown.

App #TitleExaminerDue in
18971300 ARTICLES INCLUDING SURFACE COATINGS AND METHODS TO PRODUCE THEM HORGER, KIM S. 36d overdue
18542663 ARTICLES INCLUDING SURFACE COATINGS ON EXTERNAL SURFACES, INTERNAL SURFACES OR BOTH LU, HAOTIAN —
18542660 PROCESSES FOR PRODUCING COATED SURFACES, COATINGS AND ARTICLES USING THEM SYLVESTER, KEVIN —

Interview Candidates (6)

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 6 ordered by deadline are shown.

App #TitleExaminerDue in
17844406 ROTATIONAL DEVICES INCLUDING COATED SURFACES WANG, XIAOBEI 59d overdue
18971300 ARTICLES INCLUDING SURFACE COATINGS AND METHODS TO PRODUCE THEM HORGER, KIM S. 36d overdue
19236790 MOLDS AND DIES INCLUDING SURFACE COATINGS YE, XINWEN —
19236793 VALVES INCLUDING SURFACE COATINGS ARUNDALE, ROBERT K —
18542663 ARTICLES INCLUDING SURFACE COATINGS ON EXTERNAL SURFACES, INTERNAL SURFACES OR BOTH LU, HAOTIAN —
18542660 PROCESSES FOR PRODUCING COATED SURFACES, COATINGS AND ARTICLES USING THEM SYLVESTER, KEVIN —

Top Art Units

Art UnitApps
3753 2
1784 2
1754 1
1794 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19236790 MOLDS AND DIES INCLUDING SURFACE COATINGS YE, XINWEN 1754 §103 Non-Final OA — Pending Jun 12, 2025
19236793 VALVES INCLUDING SURFACE COATINGS ARUNDALE, ROBERT K 3753 §102 Non-Final OA — Pending Jun 12, 2025
18971300 ARTICLES INCLUDING SURFACE COATINGS AND METHODS TO PRODUCE THEM HORGER, KIM S. 1784 §103§112 Final Rejection 36d overdue Pending Dec 06, 2024
18542663 ARTICLES INCLUDING SURFACE COATINGS ON EXTERNAL SURFACES, INTERNAL SURFACES OR BOTH LU, HAOTIAN 3753 §102§103§112 Non-Final OA — Pending Dec 16, 2023
18542660 PROCESSES FOR PRODUCING COATED SURFACES, COATINGS AND ARTICLES USING THEM SYLVESTER, KEVIN 1794 §102§103 Non-Final OA — Pending Dec 16, 2023
17844406 ROTATIONAL DEVICES INCLUDING COATED SURFACES WANG, XIAOBEI 1784 DP Final Rejection 59d overdue Pending Jun 20, 2022

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Frequently Asked Questions

How many pending USPTO office actions does Maxterial Inc. have?

Maxterial Inc. has 6 pending office actions as of October 2026, spread across 4 art units and 6 examiners.

Which USPTO examiner handles the most Maxterial Inc. applications?

Xinwen Ye has the most, with 1 of Maxterial Inc.'s pending office actions.

What technology area are Maxterial Inc.'s patent applications in?

Mostly Chemistry & Materials (USPTO Tech Center 1700), based on where its pending office actions are examined.

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