Prosecution Insights
Last updated: October 25, 2026

Crystaphase Products Inc.

Technology area: Medical Devices & Mechanical Engineering

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

Analysis

Crystaphase Products Inc. currently has 1 pending office action within the Medical Devices & Mechanical Engineering technology area. This single matter is being processed within 1 distinct art unit. The prosecution involves distinct examiners, and ROST, ANDREW J is listed as the busiest examiner with pending office actions. This alignment of the active case with a specific examiner and art unit indicates a highly focused and singular prosecution effort for the company.

Because ROST, ANDREW J is the sole examiner involved, the company's current success in this technology area depends entirely on the interaction with this specific individual. The presence of a single pending office action suggests a limited volume of active patent applications at this stage. Practitioners should focus on the specific requirements of the distinct art unit involved, as there are no other active cases to provide broader context. This profile shows a very concentrated prosecution footprint, with a distinct examiner managing the only active matter in the Medical Devices & Mechanical Engineering field.

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

Portfolio Summary

1
Total Pending OAs
1
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.

1
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (100%)

Industry Mix

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

0
Life Sciences
0% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
100% 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.

10 h
Manual time on pending OAs
2 h
Time saved (low, 20%)
4 h
Time saved (mid, 35%)
0.1 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ROST, ANDREW J 1 65.7% +19.9%

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
19073316 USE OF TREATING ELEMENTS TO FACILITATE FLOW IN VESSELS ROST, ANDREW J —

Interview Candidates (1)

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 1 ordered by deadline are shown.

App #TitleExaminerDue in
19073316 USE OF TREATING ELEMENTS TO FACILITATE FLOW IN VESSELS ROST, ANDREW J —

Top Art Units

Art UnitApps
3753 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19073316 USE OF TREATING ELEMENTS TO FACILITATE FLOW IN VESSELS ROST, ANDREW J 3753 §101§102§103Other Non-Final OA — Pending Mar 07, 2025

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Frequently Asked Questions

How many pending USPTO office actions does Crystaphase Products Inc. have?

Crystaphase Products Inc. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most Crystaphase Products Inc. applications?

Andrew J Rost has the most, with 1 of Crystaphase Products Inc.'s pending office actions.

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

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), based on where its pending office actions are examined.

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