Prosecution Insights
Last updated: October 25, 2026

C-Sink Ltd.

Technology area: Transportation, E-Commerce & Mechanical Systems

1 pending office actions • 1 art units • 1 examiners • 0 of 1 (0%) have an AI response strategy ready

Analysis

C-Sink Ltd. currently manages 1 pending office action within the Transportation, E-Commerce & Mechanical Systems technology area. This single matter is assigned to 1 distinct examiner, OQUENDO, CARIB A. The prosecution is further localized within 1 distinct art unit. OQUENDO, CARIB A is identified as the busiest examiner, holding 1 pending office action.

Because the entire pending portfolio consists of 1 pending office action, the company's legal strategy is highly focused. The involvement of only 1 distinct examiner and 1 distinct art unit means there is no variability in examination style across the current workload. Practitioners should tailor their approach specifically to the preferences of OQUENDO, CARIB A. The data shows that this 1 distinct examiner has total oversight of the company's active matters in the Transportation, E-Commerce & Mechanical Systems sector. This concentration simplifies the prosecution landscape but increases the impact of a single examiner's perspective.

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
Multi-statute (no §101)1 (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
OQUENDO, CARIB A 1 78.0% +12.2%

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
19099059 Biomass Sinking System OQUENDO, CARIB A —

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
19099059 Biomass Sinking System OQUENDO, CARIB A —

Top Art Units

Art UnitApps
3678 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19099059 Biomass Sinking System OQUENDO, CARIB A 3678 §102§103 Non-Final OA — Pending Jan 28, 2025

Managing C-Sink Ltd.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Frequently Asked Questions

How many pending USPTO office actions does C-Sink Ltd. have?

C-Sink Ltd. has 1 pending office actions as of October 2026, spread across 1 art units and 1 examiners.

Which USPTO examiner handles the most C-Sink Ltd. applications?

Carib A Oquendo has the most, with 1 of C-Sink Ltd.'s pending office actions.

What technology area are C-Sink Ltd.'s patent applications in?

Mostly Transportation, E-Commerce & Mechanical Systems (USPTO Tech Center 3600), based on where its pending office actions are examined.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month