Prosecution Insights
Last updated: October 01, 2026

Canaan Creative Co. Ltd.

Technology area: Chemistry & Materials

5 pending office actions • 1 art units • 4 examiners • 0 of 5 (0%) have an AI response strategy ready • 7 patents granted in the last 365 days

Analysis

Canaan Creative Co. Ltd. currently has 5 pending office actions within the Chemistry & Materials technology area. These actions are being handled by 4 distinct examiners. Despite the variety of examiners, all 5 pending office actions are located within 1 distinct art unit. This suggests that while different individuals are reviewing the applications, they are all operating under the supervisory framework of the 1 distinct art unit.

The busiest examiner for the company is BUTTAR, MANDEEP S, who is currently managing 2 busiest examiner pending actions. These 2 busiest examiner pending actions represent a portion of the total pending workload. The remaining actions are distributed among the other 4 distinct examiners. This distribution shows a concentration of work with BUTTAR, MANDEEP S, while the rest of the portfolio is spread across the remaining staff in the Chemistry & Materials sector.

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

Portfolio Summary

5
Total Pending OAs
5
Non-Final OAs
0
Final Rejections
0
Advisory / Quayle

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 (80%)
0
Medium (0%)
1
Easy (20%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Double-patenting only1 (20%)
Multi-statute (no §101)4 (80%)

Industry Mix

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

1
Life Sciences
20% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
4
Business / Other
80% 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.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BUTTAR, MANDEEP S 2 79.7% +16.0%
WEILAND, HANS R. 1 55.7% +13.3%
BUCK, LINDSEY A 1 49.4% +34.3%
SMITH, COURTNEY L 1 85.5% +12.0%

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
18948407 ELECTRONIC DEVICE BUTTAR, MANDEEP S —
18938935 THERMOELECTRIC CONVERSION APPARATUS, ELECTRONIC DEVICE, AND WASTE HEAT RECYCLING SYSTEM BUCK, LINDSEY A —
18846191 HEAT SINK, ELECTRONIC DEVICE, AND CIRCUIT BOARD BUTTAR, MANDEEP S —
18844816 HEAT DISSIPATION APPARATUS AND COMPUTING DEVICE SMITH, COURTNEY L —

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
19075483 WASTE HEAT UTILIZATION SYSTEM OF IMMERSED LIQUID COOLING HEAT DISSIPATION DEVICE WEILAND, HANS R. —
18948407 ELECTRONIC DEVICE BUTTAR, MANDEEP S —
18938935 THERMOELECTRIC CONVERSION APPARATUS, ELECTRONIC DEVICE, AND WASTE HEAT RECYCLING SYSTEM BUCK, LINDSEY A —
18846191 HEAT SINK, ELECTRONIC DEVICE, AND CIRCUIT BOARD BUTTAR, MANDEEP S —
18844816 HEAT DISSIPATION APPARATUS AND COMPUTING DEVICE SMITH, COURTNEY L —

Top Art Units

Art UnitApps
1728 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19075483 WASTE HEAT UTILIZATION SYSTEM OF IMMERSED LIQUID COOLING HEAT DISSIPATION DEVICE WEILAND, HANS R. — DP Non-Final OA — Pending Mar 10, 2025
18948407 ELECTRONIC DEVICE BUTTAR, MANDEEP S — §103§112 Non-Final OA — Pending Nov 14, 2024
18938935 THERMOELECTRIC CONVERSION APPARATUS, ELECTRONIC DEVICE, AND WASTE HEAT RECYCLING SYSTEM BUCK, LINDSEY A 1728 §102§103 Non-Final OA — Pending Nov 06, 2024
18846191 HEAT SINK, ELECTRONIC DEVICE, AND CIRCUIT BOARD BUTTAR, MANDEEP S — §102§103§112 Non-Final OA — Pending Sep 11, 2024
18844816 HEAT DISSIPATION APPARATUS AND COMPUTING DEVICE SMITH, COURTNEY L — §102§103§112 Non-Final OA — Pending Sep 06, 2024

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