Prosecution Insights
Last updated: October 25, 2026

BIOTISSUE HOLDINGS INC.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 2 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

BIOTISSUE HOLDINGS INC. has 4 pending office actions in the Biotechnology & Pharmaceuticals technology area. These 4 actions are being handled by 4 distinct examiners, ensuring that each matter is reviewed independently by a different individual. The portfolio is spread across 3 distinct art units, indicating some technical concentration within the biotechnology field despite the examiner variety.

ALYSSA G WESTON is the busiest examiner with 1 pending action. Since all 4 distinct examiners have only one action each, the prosecution workload is evenly distributed across the assigned USPTO personnel. The 3 distinct art units for 4 pending actions suggest that while the examiners are different, some of the underlying technologies may be related enough to fall under the same examination groups.

With 4 pending office actions and 4 distinct examiners, the company must manage 4 separate prosecution tracks. The 3 distinct art units provide some level of technical focus, but the lack of examiner overlap means that each case will be subject to a unique set of reviewer preferences. Practitioners should be prepared for 4 different interpretations of the prior art within the Biotechnology & Pharmaceuticals domain.

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

Portfolio Summary

3
Total Pending OAs
2
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

0
Overdue
0
Due this week
1
Due this month
0
Due in next 60 days
0
Due later

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 (33%)
2
Medium (67%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (67%)
Multi-statute (no §101)1 (33%)

Industry Mix

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

3
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% 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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
PAULUS, ERIN VIRGINIA 1 20.0% +94.1%
MOSS, NATALIE M 1 30.7% +17.2%
BATES, KEENAN ALEXANDER 1 44.9% +79.8%

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
18033470 METHODS FOR PROCESSING FETAL SUPPORT TISSUE PAULUS, ERIN VIRGINIA 27d
17291070 METHODS OF CELLULAR REPROGRAMMING BATES, KEENAN ALEXANDER —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
18033470 METHODS FOR PROCESSING FETAL SUPPORT TISSUE PAULUS, ERIN VIRGINIA 27d
17914691 METHODS OF USING UMBILICAL CORD PRODUCTS FOR TREATMENT OF OCULAR SURFACE DISORDERS MOSS, NATALIE M —
17291070 METHODS OF CELLULAR REPROGRAMMING BATES, KEENAN ALEXANDER —

Top Art Units

Art UnitApps
1631 2
1653 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18033470 METHODS FOR PROCESSING FETAL SUPPORT TISSUE PAULUS, ERIN VIRGINIA 1631 §103 Final Rejection 27d Pending Apr 24, 2023
17914691 METHODS OF USING UMBILICAL CORD PRODUCTS FOR TREATMENT OF OCULAR SURFACE DISORDERS MOSS, NATALIE M 1653 §103 Non-Final OA — Pending Sep 26, 2022
17291070 METHODS OF CELLULAR REPROGRAMMING BATES, KEENAN ALEXANDER 1631 §103§112 Non-Final OA — Pending May 04, 2021

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Frequently Asked Questions

How many pending USPTO office actions does BIOTISSUE HOLDINGS INC. have?

BIOTISSUE HOLDINGS INC. has 3 pending office actions as of October 2026, spread across 2 art units and 3 examiners.

Which USPTO examiner handles the most BIOTISSUE HOLDINGS INC. applications?

Erin Virginia Paulus has the most, with 1 of BIOTISSUE HOLDINGS INC.'s pending office actions.

What technology area are BIOTISSUE HOLDINGS INC.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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