Patent Opinions & Evaluations

When a client embarks in a new commercial direction or learns of a problematic patent, it must make sound business decisions to avoid patent infringement.  These decisions can be made only with a thorough knowledge of the landscape of relevant patents and a deep understanding of the breadth, strength and enforceability of any patents that appear to apply to the client’s products.  Because of their training and experience, our attorneys are in a unique position to develop this information and help our clients through the decision-making process. 

Our attorneys bring the firm’s extensive resources to bear in locating and assessing the significance of patents that could pose a problem for a client’s business.  Our deep experience in obtaining patents places them in the best possible position to grasp the extent of any potential infringement threats or the vulnerability of a patent to challenge, either in the United States Patent and Trademark Office or in the Courts.  Our attorneys’ technical backgrounds also give them insight into distinctions and defenses that other attorneys might miss.

We assist clients of all sizes in clearing products from a patent standpoint and overcoming or working around any patents that might initially seem to raise a problem.  We are routinely asked to clear products before significant business decisions are made or to investigate and opine when a patent is asserted against a client.  In cases where disputes arise, our attorneys have successfully testified on behalf of clients as fact and/or expert witnesses.

The following is a small sampling of our attorneys’ experience in the area:

  • Conducted massive product and process clearance (i.e., “freedom to operate”) study and formal opinion to support an investment of $150 Million on a novel thin film silicon photovoltaic production line for the world’s leading photovoltaic manufacturer.
  • Conducted a similar study and opinion for a copper indium diselenide photovoltaic production line.
  • Analyzed and provided extensive non-infringement and/or invalidity opinions on a portfolio of patents directed to methods and systems for controlling electrical current in a highly explosive environment. 
  • Analyzed and provided in-depth non-infringement and non-enforceability opinions on patents in the intersection-control space.  The grounds of potential defense were communicated to the threatening party and the threats were dropped without litigation. 
  • Analyzed and provided in-depth non-infringement opinions on a portfolio of patents for plumbing valves.  The logic of our opinions was used successfully to secure a favorable settlement of existing litigation.
  • Conducted clearance studies on two different products for growing tissue in a host animal.  The results of these studies were examined and adopted in a major due diligence effort by the law firm of a prospective licensee.
  • Conducted a thorough validity analysis of patents to a medical records retention system and testified as an expert by deposition in support of invalidity defense. 

Intellectual Property

Art Hasan
Art Hasan
Practice Group Leader, Partner
Los Angeles, Silicon Valley
ahasan@​lrrc.com
626.795.9900 / vCard
Oliver S. Bajracharya
Oliver S. Bajracharya
Partner
Los Angeles
obajracharya@​lrrc.com
626.795.9900 / vCard
Josephine E. Chang
Josephine E. Chang
Partner
Los Angeles
jchang@​lrrc.com
626.795.9900 / vCard
Joshua T. Chu
Joshua T. Chu
Partner
Los Angeles, Irvine
jchu@​lrrc.com
626.795.9900 / vCard
Thomas J. Daly
Thomas J. Daly
Partner
Los Angeles
tdaly@​lrrc.com
626.795.9900 / vCard
David A. Dillard
David A. Dillard
Partner
Los Angeles
ddillard@​lrrc.com
626.795.9900 / vCard
Mark Garscia
Mark Garscia
Partner
Los Angeles
mgarscia@​lrrc.com
626.795.9900 / vCard
Robert A. Green
Robert A. Green
Partner
Los Angeles, Irvine
rgreen@​lrrc.com
626.795.9900 / vCard
Peter C. Hsueh
Peter C. Hsueh
Partner
Los Angeles, Silicon Valley
phsueh@​lrrc.com
626.795.9900 / vCard
Jun-Young E. Jeon
Jun-Young E. Jeon
Partner
Los Angeles, Silicon Valley
jjeon@​lrrc.com
626.795.9900 / vCard
Gregory S. Lampert
Gregory S. Lampert
Partner
Los Angeles
glampert@​lrrc.com
626.795.9900 / vCard
Constantine "Gus" Marantidis
Constantine "Gus" Marantidis
Partner
Los Angeles
cmarantidis@​lrrc.com
626.795.9900 / vCard
Jason C. Martone
Jason C. Martone
Partner
Los Angeles, Irvine
jmartone@​lrrc.com
949.476.0757 / vCard
Shane E. Olafson
Shane E. Olafson
Partner
Phoenix
solafson@​lrrc.com
602.262.5327 / vCard
David A. Plumley
David A. Plumley
Partner
Los Angeles
dplumley@​lrrc.com
626.795.9900 / vCard
Lauren E. Schneider
Lauren E. Schneider
Partner
Los Angeles, Irvine
lschneider@​lrrc.com
626.795.9900 / vCard
Raymond R. Tabandeh
Raymond R. Tabandeh
Partner
Los Angeles
rtabandeh@​lrrc.com
626.795.9900 / vCard
Anne Wang
Anne Wang
Partner
Los Angeles
awang@​lrrc.com
626.795.9900 / vCard
John Carson
John Carson
Of Counsel
Los Angeles
jcarson@​lrrc.com
626.795.9900 / vCard
Takashi Hashimoto
Takashi Hashimoto
Of Counsel
Los Angeles, Silicon Valley
thashimoto@​lrrc.com
650.687.8441 / vCard
Edward R. Schwartz
Edward R. Schwartz
Of Counsel
Los Angeles
eschwartz@​lrrc.com
626.795.9900 / vCard
Justin O. Ehresmann, Ph.D.
Justin O. Ehresmann, Ph.D.
Senior Associate
Los Angeles
jehresmann@​lrrc.com
626.795.9900 / vCard
Shaun P. Lee
Shaun P. Lee
Senior Associate
Los Angeles
slee@​lrrc.com
626.795.9900 / vCard
Ryan M. Swank
Ryan M. Swank
Senior Associate
Silicon Valley
rswank@​lrrc.com
626.795.9900 / vCard
Michael J. Curry
Michael J. Curry
Associate
Los Angeles
mcurry@​lrrc.com
626.795.9900 / vCard
Cameron Cushman
Cameron Cushman
Associate
Los Angeles
CCushman@​lrrc.com
626.683.4571 / vCard
Kyle W. Kellar
Kyle W. Kellar
Associate
Silicon Valley
kkellar@​lrrc.com
626.795.9900 / vCard
Mike Koplow, Ph.D.
Mike Koplow, Ph.D.
Associate
Los Angeles
mkoplow@​lrrc.com
626.795.9900 / vCard
Abazar Mireshghi
Abazar Mireshghi
Associate
Los Angeles
amireshghi@​lrrc.com
626.795.9900 / vCard
Martin W. Regehr, Ph.D.
Martin W. Regehr, Ph.D.
Associate
Los Angeles
mregehr@​lrrc.com
626.795.9900 / vCard
Sami I. Schilly
Sami I. Schilly
Associate
Los Angeles
sschilly@​lrrc.com
626.795.9900 / vCard
Kyle N. Siegal
Kyle N. Siegal
Associate
Phoenix, Silicon Valley
ksiegal@​lrrc.com
602.262.0809 / vCard
Dustin R. Szakalski
Dustin R. Szakalski
Associate
Los Angeles
dszakalski@​lrrc.com
626.795.9900 / vCard

Related News

04/27/2016
IP practice group adds Cushman in Los Angeles
Patent attorney brings experience in commercializing new medical device technologies
03/31/2016
Lewis Roca Rothgerber Christie achieves Top 15 ranking for patent allowances
Law firm included in Top 100 U.S. Patent Firms based on performance before USPTO
Oct. 20, 2015
Lewis Roca Rothgerber adds Intellectual Property attorney in Silicon Valley
Takashi Hashimoto joins firm's growing Intellectual Property practice group

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Key Contacts

Art Hasan
Art Hasan
Practice Group Leader, Partner
626.795.9900
Emily A. Bayton
Emily A. Bayton
Practice Group Leader, Partner
303.628.9568