Lerner David

What Lerner David does

Lerner David Littenberg Krumholz & Mentlik LLP is a private intellectual property boutique law firm founded in 1969 and headquartered at 20 Commerce Drive, Suite 400, Cranford, New Jersey, with 101-250 employees. The firm provides full-service IP legal services across patent procurement and prosecution, IP litigation in federal courts and before the USPTO, trademark registration, copyright protection, design patents, IP asset management, clearance opinions, and an expanding privacy and cybersecurity practice covering CCPA, CPRA, GDPR, HIPAA, and related regulatory frameworks. Lerner David serves both Fortune 500 enterprises and startups across more than ten verticals including pharmaceuticals and life sciences (where it was among the first firms to handle Hatch-Waxman litigation), medical devices (the firm's largest industry), AI and blockchain, automotive and aerospace, clean energy, chemical and material science, cannabis, consumer goods, and computing systems and electronics.

The firm's revenue model is professional services billable-hour fees for bespoke legal engagements, with no publicly disclosed pricing. Distribution is direct engagement with corporate clients and individual innovators, supplemented by content marketing through the DecIPhered newsletter, UnscrIPted blog, and Case ClIPs publications, plus a LawPay-powered client payment portal for invoice and deposit processing. The firm maintains a multilingual digital presence with Chinese, Japanese, and Korean language website versions, signaling outreach to Asia-Pacific innovators seeking U.S. IP representation. Go-to-market is sales-led, anchored by long-tenured partner relationships and individual attorney credentials, including USPTO-insider talent (partner James A. Vezeris with over seven years as a primary patent examiner at the USPTO) that provides differentiated insight into patent examination strategy.

Lerner David's value proposition rests on over five decades of exclusive IP specialization, deep vertical expertise in regulated and high-technology industries, and a track record of high-stakes outcomes including Second Circuit affirmation of a client's trademark victory (Pepsi), International Trade Commission favorable settlement in patent enforcement (Tama Group), and defense against preliminary injunction motions (Osram Sylvania). The firm has no parent company, no external investment, and no disclosed funding history, operating as an independent partnership-based LLP.

Name

Lerner David

Legal name

Lerner David Littenberg Krumholz & Mentlik LLP

Website

https://lernerdavid.com

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

101–250 employees

Short description

Lerner David is a 55+ year intellectual property boutique law firm founded in 1969, serving Fortune 500 companies and startups across pharmaceuticals, medical devices, AI, clean energy, and consumer goods through patent prosecution, IP litigation, trademark, copyright, and privacy law services.

Ownership category

akta.pro rank

Product category

Intellectual Property Law Services

NAICS

Offices of Lawyers (541110), Legal Services (5411)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Patent Prosecution & Portfolio Management (BPAHAMAA)

akta.pro secondary industries

IP Search, Watch & Competitive Intelligence (BPAHAMAI), eDiscovery, Litigation Support & Expert Witness Services (BPAKAHAD), Copyright Services & Content Protection (BPAHAMAC)

Keywords

• Intellectual property law
• Patent prosecution
• IP litigation
• Trademark registration
• Privacy law compliance

Headquarters

HQ city

Cranford

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Legal Services - Professional Fees: Billable hour legal services for intellectual property matters including patent prosecution, litigation, trademark registration, and privacy law compliance.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Lerner David is an intellectual property boutique law firm providing full-service IP legal services spanning patent procurement, IP litigation, trademark and copyright protection, design patents, IP asset management, and privacy and cybersecurity law. The firm represents Fortune 500 companies, startups, and individual innovators across industries including pharmaceuticals, medical devices, AI, blockchain, clean energy, and autonomous vehicles, handling matters before U.S. federal courts, the USPTO, and international tribunals.

Product overview

Lerner David is an intellectual property boutique law firm with over 55 years of experience providing comprehensive IP legal services. The firm operates a unified service model centered on intellectual property law, offering services across multiple practice areas including IP Litigation, Patent Procurement, Design Patents, Privacy Law, Copyrights & Computer Software, Due Diligence/M&A, IP Asset Management, and Clearance Opinions. The firm also provides specialized privacy and cybersecurity legal services encompassing policy development, compliance, audits, employee training, breach readiness, and contract negotiation. The firm serves a diverse client base including individual inventors, startups, and Fortune 500 companies across industries such as AI & Blockchain, Automotive & Aerospace, Pharmaceuticals, Medical Devices, Clean Energy, and Consumer Goods.

Differentiator

Problem solved

Functional benefit

Brands

• DecIPhered: The firm's IP newsletter to keep clients up-to-date on prominent IP issues.

Products and services

• IP Litigation
• Patent Procurement
• Design Patents
• Privacy Law
• Copyrights & Computer Software
• Due Diligence, Mergers and Acquisitions
• IP Asset Management
• Clearance Opinions

Quantifiable outcome

• Successfully obtained favorable decision at International Trade Commission for Tama Group protecting patented cotton bale wrap from copycat imports after 18-month investigation
• +3 more outcomes

Named customers5 records

Segments11 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core and minor.

• John DeerecoreStrategic or Co-development PartnerPartnership between Tama Group and John Deere to help American farmers improve mechanical cotton harvesting resulted in the patented TamaWrap cotton bale wraps. Lerner David represented Tama in protecting this patented product from copycat products at the International Trade Commission.
• LawPayminorOthersLawPay provides the online payment platform for Lerner David's client portal enabling clients to pay invoices and advance deposits online securely.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Fish & Richardson: Large IP boutique law firm handling patent prosecution, litigation, and strategic IP counseling. Directly comparable to Lerner David as a leading IP-focused practice serving Fortune 500 and high-tech clients, though materially larger in scale.
• Finnegan, Henderson, Farabow, Garrett & Dunner: Premier IP boutique with deep patent prosecution and litigation capabilities. Closely comparable to Lerner David in pure-play IP focus and enterprise client base, particularly in pharma and high-tech.
• Knobbe Martens: Intellectual property law firm specializing in patent prosecution, litigation, and IP transactions. Comparable to Lerner David in industry verticals (medical devices, clean energy, consumer electronics) and boutique positioning.
• McDonnell Boehnen Hulbert & Berghoff: IP boutique with strong technical and patent prosecution capabilities. Comparable to Lerner David in full-service IP practice and biotech/pharma expertise.
• Sterne Kessler Goldstein & Fox: Specialized IP boutique focusing on patent prosecution, post-grant proceedings, and IP litigation. Comparable to Lerner David in pure-play IP focus, with similar USPTO examination expertise as a key differentiator.
• Oblon: IP-focused law firm handling patent prosecution and litigation. Comparable to Lerner David in pure IP specialization and serving technology and pharma clients.
• Hoffmann & Baron: IP boutique law firm focused on patent prosecution and IP litigation, with particular strength in mechanical and design patents. Comparable to Lerner David in pure-play IP focus and design patent expertise.

Broad incumbents

• Cooley: Large full-service law firm with a substantial IP practice covering patent, trademark, and copyright matters. Competes with Lerner David for high-tech and life sciences IP work but operates at materially greater scale across practice areas.
• WilmerHale: Major Am Law firm with a strong IP litigation and counseling practice. Overlaps with Lerner David in IP litigation and patent prosecution but offers broader corporate, regulatory, and litigation services.
• Mintz: Full-service law firm with a significant IP practice spanning patent prosecution, IP litigation, and IP transactions. Comparable verticals (life sciences, technology) to Lerner David, with broader service offering.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/pages/Lerner-David-Littenberg-Krumholz-Mentlik-LLP/149271921855965
• LinkedInlinkedin.com/company/lernerdavidllp
• Xx.com/lernerdavidllp

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lerner David