Networked Attorneys

David Rosenbaum

Practice Areas

Mr. Rosenbaum’s patent practice specializes in biomedical, biotechnological, pharmaceutical, chemical, biochemical, semiconductor materials and processes, and computer software.

Experience

As patent counsel to several major public universities, public and private corporations, and independent inventors, Mr. Rosenbaum has prepared and prosecuted patent applications in the fields of surgical implants, including cardiovascular stents and vascular grafts, electrophoresis devices and methods, diagnostic systems and methods, DNA transformation and transfection, oligonucleotide ligands, natural and synthetic pharmaceuticals and vaccines, monoclonal antibodies, drug delivery systems, immunology, ultrasonic, laser and cryogenic ablation catheters, nanolithography, atomic force microscopy, photolithography, vacuum deposition processes, including chemical and plasma vapor deposition, sputtering and ion bombardment processes, chemical sensor technology, resist technology, carbon nitride continuous solids and the use of finite elements analysis modeling for corneal remodeling. In representing both corporate and individual clients, Mr. Rosenbaum’s practice has included such diverse biomedical technologies as DNA and RNA hybridization, genetic testing, implantable vascular and endovascular devices, computer controlled laser catheters, synthetic peptides, chemical tracers for above-ground and underground leak detection, contact lenses, dermatological preparations, hydraulic shock absorbing pistons, misting devices for evaporative cooling, and water filtration systems.

Education

Mr. Rosenbaum holds a bachelor’s degree in General Science-Chemistry from Grinnell College and studied in the Ph.D. program in pharmacology and toxicology at the State University of New York at Buffalo. Since graduating law school in 1984 from the Illinois Institute of Technology with honors (Chicago-Kent College of Law), Mr. Rosenbaum has been the managing shareholder of Rosenbaum & Silvert, P.C., a managing patent partner at the national law firm of Sonnenschein, Nath & Rosenthal, and the managing intellectual property partner at two general practice firms in Phoenix, Arizona. Mr. Rosenbaum has served as patent counsel to universities, local, regional and national corporations, private inventors and start-up and emerging companies. David has been an adjunct professor at The John Marshall Law School in the L.L.M. Program in Intellectual Property Law and at Grinnell College, Grinnell, Iowa.

Admissions

Mr. Rosenbaum is admitted to practice in Arizona, Illinois, in several federal trial and appellate courts, as well as the United States Patent and Trademark Office. An active member of multiple bar associations, Mr. Rosenbaum serves as a member of committees on biotechnology law and university patents, and has been a featured speaker at national legal and industry conferences.

Jennifer McCallum

Practice Areas

  • Intellectual Property
  • Biotech

Experience

Jennifer M. McCallum is the founding attorney and head of the McCallum Law
Firm, a biotechnology patent firm located in Erie, Colorado. Ms. McCallum
started the firm in 2002, and her current range of clients includes biotechnology
and pharmaceutical companies, financial entities of all types, universities and
Bankruptcy Trustees.

In addition to her law degree, Ms. McCallum has a doctorate in Reproductive
Physiology and has worked on many cases of first impression, including
obtaining the first permit for the production of pharmaceuticals in plants in the
State of Colorado. She also helped successfully argue a case in Superior Court
of Orange County, California, that makes private storage of stem cells available
to all expectant parents. The decision was upheld in December 2004. Jennifer
has also prosecuted many patent portfolios of interest, including one in the area
of genetic engineering that won multiple awards, including Technology of the
Year by the Governor of the State of Iowa and was a Finalist for the same in the
State of Utah. This technology has been widely licensed to plant, animal and
human genetics companies.

Education

  • University of Colorado at Boulder - Juris Doctor
  • Colorado State University - Doctorate of Philosophy -Physiology
  • California State University, Chico - BS - Biological Sciences

Admissions

  • American Bar Association, Intellectual Property Section
  • Vice Chair, Probate and Trust Division Committee on Bioethics
  • Member of the Chemical Practice, Biotechnology and Plant Patent Committees
  • Colorado Women's Bar Association
  • American Association for the Advancement of Science
  • Society for the Study of Reproduction

Languages

French and Spanish

Alice Sun

Practice Areas

  • Immigration Law – Restricted to Research Doctorates and Post Doctorates
  • International Business Transactions

Experience

Alice Sun has been engaged in immigration law practice since 1994. She
focuses on employment-based immigration for universities, doctorate and post
doctorate candidates. She has successfully represented scientists, engineers,
post-doc researchers, Ph.D. students and others in the classifications of aliens
with extraordinary abilities in sciences, education and the arts; outstanding
professors and researchers, and advanced degrees, multinational transferee
applications, entrepreneur applications and labor certification PERM petitions.
She also assists many scientists and engineers to obtain temporary visas such
as H-1B, O-1 and O2, TN and other types of nonimmigrant visas.

Education

  • Whittier Law School, Los Angeles, CA - Juris Doctor, 1994
  • UCLA School of Law, Los Angeles, CA - Comparative Law Program, 1989
  • UCSB Anthropology Department, Santa Barbara, CA - M.A. Program in Anthropology, Law and Culture, 1991
  • UC Regent Fellowship - Teaching Assistant for Cultural Variation class
  • Research Assistant for program on the Modern Economy System and its Social
    Implications in the PRC
  • Chinese Academy of Social Sciences, Law Department of the Graduate School,
    Beijing - Juris Doctorate Equivalent, 1986

Admissions

  • Ms. Sun is admitted to practice in California and at the Federal District Court.

Affiliations

  • American Immigration Lawyers Association

Languages

Chinese-Mandarin, Shanghai dialect, Sichuan dialect, Tianjing dialect, Yiantai shanton dialect, Hubei dialect, Kunming Yunnan dialect, Hunan dialect,
Northeast coast area dialect

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