Prosecution Insights
Last updated: October 25, 2026

Cb&I Sts Delaware LLC

Technology area: Medical Devices & Mechanical Engineering

4 pending office actions • 3 art units • 4 examiners • 0 of 4 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Cb&I Sts Delaware LLC has 4 pending office actions in Medical Devices & Mechanical Engineering. The matters involve 4 distinct examiners across 3 distinct art units, requiring separate review of examiner and art-unit treatment.

ORTIZ, RAFAEL ALFREDO is the busiest examiner, with 1 pending matter. Counsel can coordinate shared medical-device and mechanical themes while maintaining matter-specific responses for the different examination settings.

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

Portfolio Summary

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

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 4 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
2
Due in next 60 days
0
Due later

Deadline Fire Line

Every pending office action with a known statutory deadline, placed on a days-until-due axis. Dots left of Today are overdue; the further right, the more runway. Cases that share a deadline window stack vertically. 4 of the docket's apps have a known mailing date.

-30dToday30d60d90d120d
Overdue (2)Due ≤ 60 days (2)

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 only2 (50%)
Multi-statute (no §101)2 (50%)

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
4
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.

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
ORTIZ, RAFAEL ALFREDO 1 61.3% +35.1%
CASTELLANO, STEPHEN J 1 65.1% +35.7%
MENGESHA, WEBESHET 1 47.2% +12.7%
ELOSHWAY, NIKI MARINA 1 63.5% +24.6%

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
18912126 SUPPORT SYSTEM FOR DOUBLE-WALL LIQUID HYDROGEN STORAGE VESSEL ORTIZ, RAFAEL ALFREDO 2d overdue
18750413 CRYOPUMPING-RESISTANT LH2 STORAGE VESSEL MENGESHA, WEBESHET 41d

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
18817935 NON-VACUUM CARGO CONTAINMENT SYSTEMS CASTELLANO, STEPHEN J 78d overdue
18912126 SUPPORT SYSTEM FOR DOUBLE-WALL LIQUID HYDROGEN STORAGE VESSEL ORTIZ, RAFAEL ALFREDO 2d overdue
18748963 CRYOPUMPING-RESISTANT LH2 STORAGE VESSEL ELOSHWAY, NIKI MARINA 34d
18750413 CRYOPUMPING-RESISTANT LH2 STORAGE VESSEL MENGESHA, WEBESHET 41d

Top Art Units

Art UnitApps
3736 2
3733 1
3763 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18912126 SUPPORT SYSTEM FOR DOUBLE-WALL LIQUID HYDROGEN STORAGE VESSEL ORTIZ, RAFAEL ALFREDO 3736 §102§103 Final Rejection 2d overdue Pending Oct 10, 2024
18817935 NON-VACUUM CARGO CONTAINMENT SYSTEMS CASTELLANO, STEPHEN J 3733 §103 Final Rejection 78d overdue Pending Aug 28, 2024
18750413 CRYOPUMPING-RESISTANT LH2 STORAGE VESSEL MENGESHA, WEBESHET 3763 §103§112 Final Rejection 41d Pending Jun 21, 2024
18748963 CRYOPUMPING-RESISTANT LH2 STORAGE VESSEL ELOSHWAY, NIKI MARINA 3736 §103 Final Rejection 34d Pending Jun 20, 2024

Managing Cb&I Sts Delaware LLC'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 Cb&I Sts Delaware LLC have?

Cb&I Sts Delaware LLC has 4 pending office actions as of October 2026, spread across 3 art units and 4 examiners.

Which USPTO examiner handles the most Cb&I Sts Delaware LLC applications?

Rafael Alfredo Ortiz has the most, with 1 of Cb&I Sts Delaware LLC's pending office actions.

What technology area are Cb&I Sts Delaware LLC's patent applications in?

Mostly Medical Devices & Mechanical Engineering (USPTO Tech Center 3700), 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