Prosecution Insights
Last updated: October 25, 2026

BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD.

Technology area: Biotechnology & Pharmaceuticals

3 pending office actions • 2 art units • 2 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD. manages a portfolio in the Biotechnology & Pharmaceuticals technology area with 3 pending office actions. This workload is distributed across 2 distinct examiners and 2 distinct art units. The presence of multiple examiners suggests that the company is pursuing several distinct lines of inquiry or different patent families simultaneously.

The busiest examiner for this company is PUTTLITZ, KARL J, who is currently responsible for 2 pending office actions. This examiner's workload is compared to the 3 total pending office actions for the company. With 2 distinct art units involved, the prosecution activity spans multiple specialized technical groups at the USPTO.

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

Portfolio Summary

3
Total Pending OAs
1
Non-Final OAs
2
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.

1
Overdue
0
Due this week
0
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.

0
Hard (0%)
2
Medium (67%)
1
Easy (33%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (33%)
Double-patenting only1 (33%)
Double-patenting + other1 (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
PUTTLITZ, KARL J 2 69.2% +18.5%
LU, CHENG 1 53.8% +64.6%

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
16935679 BISPECIFIC ANTIBODY CAPABLE OF BEING COMBINED WITH IMMUNE CELLS TO ENHANCE TUMOR KILLING CAPABILITY, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF LU, CHENG 32d overdue
17224288 MULTI-SPECIFIC BINDING CONJUGATE, RELATED PHARMACEUTICAL COMPOSITIONS AND USE PUTTLITZ, KARL J —
16480506 ANTIBODY CONJUGATE, AND RELATED PHARMACEUTICAL COMPOSITION AND APPLICATION PUTTLITZ, KARL J —

Top Art Units

Art UnitApps
1646 2
1642 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
17224288 MULTI-SPECIFIC BINDING CONJUGATE, RELATED PHARMACEUTICAL COMPOSITIONS AND USE PUTTLITZ, KARL J 1646 DP Final Rejection — Pending Jun 02, 2021
16935679 BISPECIFIC ANTIBODY CAPABLE OF BEING COMBINED WITH IMMUNE CELLS TO ENHANCE TUMOR KILLING CAPABILITY, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF LU, CHENG 1642 §103DP Non-Final OA 32d overdue Pending Jul 22, 2020
16480506 ANTIBODY CONJUGATE, AND RELATED PHARMACEUTICAL COMPOSITION AND APPLICATION PUTTLITZ, KARL J 1646 §103 Final Rejection — Pending Jul 24, 2019

Managing BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD.'s Patent Portfolio?

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Frequently Asked Questions

How many pending USPTO office actions does BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD. have?

BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD. has 3 pending office actions as of October 2026, spread across 2 art units and 2 examiners.

Which USPTO examiner handles the most BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD. applications?

Karl J Puttlitz has the most, with 2 of BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD.'s pending office actions.

What technology area are BENHEALTH BIOPHARMACEUTIC (SHENZHEN) CO., LTD.'s patent applications in?

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

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