Prosecution Insights
Last updated: October 25, 2026

Kevin S Orwig, USPTO Patent Examiner

Listed by the USPTO as ORWIG, KEVIN S

Tech Center 3900 • Art Units: 1611 1658 3991

This examiner grants 26% of resolved cases

Analysis

ORWIG, KEVIN S is assigned to Tech Center 3900 and Art Unit 1611. The record covers 714 resolved cases, with an allowance rate of 25.5%. The median time to allowance is 1534 days, while the interview lift is 40.1%. Together, these figures show a prosecution record with a positive association between interviews and allowance outcomes, alongside a lengthy median path to allowance.

The listed companies are Creative Bio-Peptides Inc., Inhibikase Therapeutics Inc., and The Board of Trustees of the Leland Stanford Junior University. The listed firms are POLSINELLI PC (Main Customer Number), Clark+Elbing LLP, and FENWICK & WEST LLP. Practitioners working in this docket may consider interview preparation as part of amendment and response planning, while accounting for the reported prosecution duration.

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

Performance Statistics

25.5%
Allow Rate
-34.5% vs TC avg
732
Total Applications
+40.1%
Interview Lift
1534
Avg Prosecution Days
Based on 714 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
16.4%
§102 Novelty
40.2%
§103 Obviousness
25.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18894338 COMPOSITIONS AND METHODS FOR INHIBITING KINASES Non-Final OA Inhibikase Therapeutics, Inc.
18320145 TUMOR-SPECIFIC MINICIRCLES FOR CANCER SCREENING Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18711216 GLUCOSE-RESPONSIVE INSULIN CONJUGATES COMPRISING A TETRA-VALENT SUGAR CLUSTER FOR TREATMENT OF DIABETES Non-Final OA Merck Sharp & Dohme LLC
19213362 Use of an All-D-Pentapeptide Chemokine Antagonist to Reduce Opioid Dose in a Person with Pain Non-Final OA Creative Bio-Peptides, Inc.
17869925 USE OF AN ALL-D-PENTAPEPTIDE CHEMOKINE ANTAGONIST TO REDUCE OPIOID DOSE IN A PERSON WITH PAIN Final Rejection Creative Bio-Peptides Inc.
18282152 REVERSAL OF CTL EXHAUSTION WITH ANNEXIN V Non-Final OA ERASMUS UNIVERSITY MEDICAL CENTER ROTTERDAM
18662935 COMBINATIONS AND METHODS FOR SUBCUTANEOUS ADMINISTRATION OF IMMUNE GLOBULIN AND HYALURONIDASE Non-Final OA Takeda Pharmaceutical Company Limited
18760979 HUMANISED ANTIBODIES Non-Final OA UCB Biopharma SRL
18669075 BIOMARKERS AND METHODS FOR DETECTION OF SEIZURES AND EPILEPSY Non-Final OA Cognizance Biomarkers, Inc.
18653842 COMPOSITIONS AND METHODS FOR INHIBITING GENE EXPRESSION OF HEPATITIS B VIRUS Non-Final OA Arrowhead Pharmaceuticals, Inc.
18698649 Biologically Active Collagen Hybridizing Peptides Non-Final OA 3HELIX, INC.
18574406 PEPTIDE HAVING ANTIDIABETIC ACTIVITY AND USE THEREOF Final Rejection MEDI&GENE INC.
18530761 METHODS TO GENERATE GASTROINTESTINAL EPITHELIAL TISSUE CONSTRUCTS Final Rejection The University of North Carolina at Chapel Hil
17819591 PREPARATION AND COMPOSITION OF INTER-ALPHA INHIBITOR PROTEINS FROM HUMAN PLASMA FOR THERAPEUTIC USE Non-Final OA ProThera Biologics, Inc.

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Frequently Asked Questions

What is examiner Kevin S Orwig's allowance rate?

25.5% of resolved applications examined by Kevin S Orwig were allowed (714 resolved cases), compared with 35.0% across Art Unit 1611 over the last five years.

Does an interview help with examiner Kevin S Orwig?

This examiner's interview lift is +40.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kevin S Orwig take to allow a patent?

Applications allowed by Kevin S Orwig took 1,534 days on average from filing to allowance.

Which art unit does examiner Kevin S Orwig work in?

Kevin S Orwig examines applications in Art Unit 1611 in Tech Center 3900.

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