Prosecution Insights
Last updated: October 02, 2026

Examiner: HADDAD, MAHER M

Tech Center 1600 • Art Units: 1622 1634 1641 1644

This examiner grants 50% of resolved cases

Analysis

Maher M. Haddad is an examiner in Art Unit 1622 within Tech Center 1600. With 1061 resolved cases, the examiner has a record for analysis. The 1061 resolved cases provide a perspective on how this examiner handles various patent applications. The allowance rate of 50.4 percent indicates the frequency at which applications reaching a final disposition are granted. This rate suggests an approach to examination where practitioners must present arguments to overcome rejections.

The data reveals an interview lift of 53.9 percent. This metric suggests that engaging in a direct dialogue with the examiner is a strategy for moving toward an allowance compared to the baseline allowance rate of 50.4 percent. For those applications that do reach a grant, the median days to allowance is 1120. This timeline helps practitioners set expectations for the duration of the prosecution process when navigating this examiner's requirements.

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

Performance Statistics

50.4%
Allow Rate
-9.6% vs TC avg
1,119
Total Applications
+53.9%
Interview Lift
1120
Avg Prosecution Days
Based on 1061 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
18.4%
§102 Novelty
28.9%
§103 Obviousness
33.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18279191 HIGH POTENCY T CELL RECEPTORS FOR IMMUNOTHERAPY Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18551679 METHODS OF TREATING CANCER IN IMMUNOSUPPRESSED OR IMMUNOCOMPROMISED PATIENTS BY ADMINISTERING A PD-1 INHIBITOR Non-Final OA Sanofi Biotechnology
17609757 COMPOSITIONS AND METHODS FOR TREATING CANCER Non-Final OA THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE DEPARTMENT OF VETERANS AFFAIRS
18971607 LOW-DOSE TOCILIZUMAB FOR THE TREATMENT OR PREVENTION OF SICKLE CELL CRISIS Non-Final OA The University of Chicago
18035054 METHODS FOR ADMINISTERING A BCMAXCD3 BINDING MOLECULE Final Rejection AMGEN INC.
18700535 MOLECULES THAT BIND TO CD276 POLYPEPTIDES Non-Final OA University of Pittsburgh of the Commonwealth System of Higher Education
18491703 ANTI-FOLATE RECEPTOR CONJUGATE THERAPY FOR CANCER TREATMENT Non-Final OA Fred Hutchinson Cancer Center
18265217 MULTISPECIFIC ANTIGEN BINDING PROTEIN Final Rejection JIANGSU HENGRUI PHARMACEUTICALS CO., LTD.
16208294 FORMULATION FOR ANTI-ALPHA4BETA7 ANTIBODY AND METHODS OF TREATMENT Non-Final OA Takeda Pharmaceutical Company Limited
18031731 ANTIBODY-DRUG CONJUGATE AND APPLICATION THEREOF Final Rejection KEYMED BIOSCIENCES CO., LTD
18277521 HLA CLASS I-RESTRICTED T CELL RECEPTORS AGAINST CD22 Non-Final OA The United States of America,as represented by the Secretary,Department of Health and Human Services
18134844 NUCLEIC ACIDS ENCODING HUMAN ANTIBODIES TO SIALYL-LEWIS A Final Rejection BioNTech SE
16753159 BISPECIFIC ANTIBODY Final Rejection ONO PHARMACEUTICAL CO., LTD.

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