Justin Proper
Partner at White and Williams LLP | Philadelphia, Pennsylvania, United States
Engage
candidates 10x faster
Enjoy unlimited access and discover candidates outside of LinkedIn
Trusted by 1.4M users from 76% of Fortune 500 companies
The most accurate data ever
CCPA Compliant
GDPR Compliant
150M
Personal Emails
200M
Work Emails
100M
Direct Dials
250M
Professional Profiles
40M
Company Profiles
Find anyone, anywhere
with ContactOut
today
Making remote or global hires?
Connecting
with key decision-makers? We can help.
- 40 emails / month
- 3 phone numbers / month
- Works on standard LinkedIn only
-
Work emails, personal emails,
mobile numbers
No credit card required
Justin Proper serves as a Partner in the Commercial Litigation Group at White and Williams LLP, where he leverages his extensive expertise to navigate complex legal challenges faced by clients across diverse industries. In his current role, Justin specializes in representing corporations, financial institutions, and individual clients in high-stakes disputes involving patent infringement, unfair competition, and antitrust violations. His deep understanding of intellectual property law and securities regulation enables him to craft strategic litigation approaches that protect clients’ innovations and market positions.
Justin’s practice also encompasses critical areas such as mortgage fraud, lender liability, RICO violations, and professional malpractice, reflecting his comprehensive grasp of the intricacies involved in commercial disputes. He has successfully managed cases involving breach of warranty, products liability, and breach of contract, often employing alternative dispute resolution techniques to achieve efficient resolutions. His trial practice experience ensures he is well-equipped to advocate effectively in court when necessary.
Beyond litigation, Justin’s expertise extends to construction law, joint ventures, and corporate law, allowing him to advise clients on transactional and regulatory matters that impact their business operations. His strategic approach combines rigorous legal analysis with practical problem-solving, making him a trusted advisor for clients facing complex commercial disputes. Justin’s dedication to staying abreast of evolving industry standards and legal developments ensures that his clients benefit from innovative and effective legal solutions tailored to their unique needs.
Partner at White and Williams LLP in February 2009 to Present
See more
See less
Albany Law School, July 1996 to July 1999
Siena College, July 1992 to July 1996
Catholic Central High School, July 1990 to July 1992
See more
See less
Commercial Litigation
Arbitration
Litigation
Civil Litigation
Appeals
Corporate Law
Bankruptcy
Breach Of Contract
Mediation
Litigation Management
Trial Practice
Alternative Dispute Resolution
Licensing
Intellectual Property
Dispute Resolution
Class Actions
Westlaw
Torts
Corporate Governance
Insurance Law
Public Liability
Joint Ventures
Medical Malpractice
Trials
Legal Writing
Securities Regulation
Courts
Personal Injury
Product Liability
Construction Law
Legal Research
Employment Discrimination
See more
See less
Discover more about White and Williams LLPWhat is Justin Proper email address?
Email Justin Proper at [email protected], [email protected], [email protected], [email protected], [email protected], [email protected] and [email protected]. This email is the most updated Justin Proper's email found in 2026.
What is Justin Proper phone number?
Justin Proper phone number is 2673098132.
How to contact Justin Proper?
To contact Justin Proper send an email to [email protected], [email protected], [email protected], [email protected], [email protected], [email protected] or [email protected]. If you want to call Justin Proper try calling on 2673098132. (updated on May 02, 2025)
What company does Justin Proper work for?
Justin Proper works for White and Williams LLP
What is Justin Proper's role at White and Williams LLP?
Justin Proper is Partner
What industry does Justin Proper work in?
Justin Proper works in the Law Practice industry.
Justin Proper Email Addresses
Justin Proper Phone Numbers
looking for?
Find personal and work emails for over 250M professionals.
People like Justin Proper
Account Executive at RCC DEVELOPERS LIMITED
Senior Field Sales Manager at Oak Ridge Winery
Program Manager at BioPlus Specialty Pharmacy