Prosecution Insights
Last updated: October 02, 2026

Zest Ip Holdings LLC

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

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

Analysis

Zest Ip Holdings LLC manages 4 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed across 4 distinct examiners and 2 distinct art units. ROBERTS, LEZAH is identified as the busiest examiner, currently handling 1 busiest examiner pending matter. The use of 2 distinct art units indicates that the company's intellectual property covers multiple specialized sub-sectors within the biotechnology field. This distribution requires the company to manage 4 pending office actions across different regulatory frameworks.

The presence of 4 distinct examiners suggests that the company interacts with various individuals at the patent office simultaneously. While there are multiple examiners involved, the workload is distributed, as the busiest examiner, ROBERTS, LEZAH, only has 1 busiest examiner pending case. This diversity in examiners and art units requires a coordinated approach to maintain consistency across the 4 pending office actions. The strategy involves navigating 2 distinct art units, which may have different internal guidelines and timelines. Each of the 4 pending office actions represents a unique point of contact for the company's legal team.

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

Portfolio Summary

4
Total Pending OAs
2
Non-Final OAs
0
Final Rejections
2
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.

2
Hard (50%)
2
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (25%)
Double-patenting + other1 (25%)
Multi-statute (no §101)2 (50%)

Industry Mix

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

2
Life Sciences
50% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
25% of docket
1
Business / Other
25% 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.

40 h
Manual time on pending OAs
8 h
Time saved (low, 20%)
14 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PEPITONE, MICHAEL F 1 74.4% +21.9%
ROBERTS, LEZAH 1 48.4% +35.1%
COHEN, MICHAEL P 1 58.7% +27.5%
EIDE, HEIDI MARIE 1 50.6% +32.5%

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
18134493 REMINERALIZATION COMPOSITION AND APPLICATION METHOD THEREOF COHEN, MICHAEL P —
17751260 DENTAL TOOLS AND METHODS OF USE EIDE, HEIDI MARIE —

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18732491 DENTAL CEMENT COMPOSITIONS AND METHODS OF USE PEPITONE, MICHAEL F —
18379052 TEETH WHITENING COMPOSITIONS, KITS, AND SYSTEMS ROBERTS, LEZAH —
18134493 REMINERALIZATION COMPOSITION AND APPLICATION METHOD THEREOF COHEN, MICHAEL P —
17751260 DENTAL TOOLS AND METHODS OF USE EIDE, HEIDI MARIE —

Top Art Units

Art UnitApps
1612 2
3772 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18732491 DENTAL CEMENT COMPOSITIONS AND METHODS OF USE PEPITONE, MICHAEL F — §102§103§112DP Non-Final OA — Pending Jun 03, 2024
18379052 TEETH WHITENING COMPOSITIONS, KITS, AND SYSTEMS ROBERTS, LEZAH 1612 §103 Non-Final OA — Pending Oct 11, 2023
18134493 REMINERALIZATION COMPOSITION AND APPLICATION METHOD THEREOF COHEN, MICHAEL P 1612 §103§112 Non-Final OA — Pending Apr 13, 2023
17751260 DENTAL TOOLS AND METHODS OF USE EIDE, HEIDI MARIE 3772 §103§112 Non-Final OA — Pending May 23, 2022

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