
Overview
Jeff Hartlin is a partner in the Corporate Department of Paul Hastings and is based in the firm’s Palo Alto and San Diego offices. Jeff concentrates his practice in corporate law, capital-raising, mergers and acquisitions, and securities and has represented public and private companies in the software, hardware, information technology, biotechnology/biopharmaceutical, medical device, Web 3.0, semiconductor, clean technology and financial industries. His experience in all aspects of the capital raising process includes representing issuers, underwriters, venture capital firms and placement agents in IPOs, SPAC financings, registered directs, at-the-market offerings and rights offerings, as well as venture and angel-backed private placements, PIPEs, debt financings, Rule 144A transactions, reverse mergers and Regulation S offerings.
Jeff also routinely represents startup and other early-stage companies from incorporation through early financing, pre-IPO capital raising, IPO and eventual sale. Jeff has represented several public and private companies in equity and debt private placements with a combined value of several billion. He also represents Nasdaq and NYSE companies with their periodic reporting requirements and listing qualification issues. He regularly advises boards of directors and management of public and private companies regarding corporate governance issues, including the Sarbanes-Oxley Act, the Dodd-Frank Act and the JOBS Act. Jeff also represents public and private corporations in merger and acquisition transactions, de-SPAC transactions, joint ventures, leveraged and non-leveraged acquisitions, spinoffs, spin-ins and dispositions. He is frequently engaged to advise companies in activist stockholder matters.
Jeff’s work for clients, such as Viking Therapeutics in its initial public offering and Kosei’s sale to Pinterest, has been mentioned in The Daily Journal, Law360 and The Recorder.
Accolades
- Named to multiple of its lists of leading lawyers in California capital markets transactions, Chambers USA
- M&A: Large Deals $1Bn+, Legal 500
- Capital Markets: Equity: Equity Offerings - Advice to Issuers, Legal 500
- Selected for inclusion in multiple editions, San Diego Super Lawyers
- Selected for inclusion in multiple editions, Southern California Super Lawyers
- Winner of the 2012 (West) ''40 Under 40'' Award, which recognizes the emerging leaders of the M&A, financing, and turnaround industries, M&A Advisor
Education
- University of Virginia School of Law, J.D. (Editor-in-Chief of the Virginia Tax Review)
- University of California Davis, B.A. (Phi Beta Kappa); NCAA Men''s Varsity Soccer and Track & Field
Representations
- Aterian in the sale of its marquee brands portfolio to Trademark Global.
- Jasper Therapeutics in its merger with Kira Pharmaceuticals.
- VivoSim Labs in its PIPE financing transaction.
- MagCanica in its sale to Arxis.
- Stifel in the underwritten public offering of Viavi.
- Aterian in the sale of its e-commerce brand portfolio to Trademark Global.
- SafetyStratus in its sale to Ideagen.
- The investor in the Datavault PIPE for BTC treasury.
- Mountain Protocol in its sale to Anchorage Digital.
- Paige.ai in its sale to Tempus AI.
- Polychain Capital in its investment in StableCoinX, creating a dedicated crypto treasury company for ENA.
- Story Foundation in its treasury transaction with Heritage Distilling Holding Company.
- Polychain Capital in its investment in ETHZilla Corporation in connection with the launch of its Ethereum treasury strategy.
- Captiv8 in its sale to Publicis Groupe.
- Aardvark Therapeutics in its initial public offering.
- Grid Aero in its preferred stock financing.
- Toolkit in its preferred stock financing.
- Pallas Security in its preferred stock financing.
- Sandbox. in its preferred stock financing.
- Ellis Technologies in its preferred stock financings.
- Hummingbird Regtech in its acquisition of LogicLoop.
- Xencor in its underwritten public offering.
- Vantage Discovery in its preferred stock financing and sale to Shopify.
- Kyverna Therapeutics in its initial public offering.
- Zededa in its preferred stock financings.
- Jasper Therapeutics in its reverse merger (deSPAC) and financing transactions.
- Uplift in its sale to Upgrade, Inc.
- Polychain Capital in its investment in Uniswap Labs.
- Perennial Labs in its financing transactions.
- Corcept Therapeutics Incorporated in its self-tender offer.
- Swimlane in its Series C preferred stock financing.
- Scilex Holding Company in its reverse merger (deSPAC) with Vickers Vantage Corp. I.
- PSL Holdings in its equity financing.
- Auradine in its Series A preferred stock financing.
- Masimo Corporation in its IPO and acquisitions of Sound United, the Connected Care business of NantHealth, Spire Semiconductor and PhaseIn AB.
- Millicast in its sale to Dolby.
- Indapta Therapeutics in its preferred stock financing led by Vertex and RA Capital.
- Orma Health in its sale to Apollo Medical.
- Mir Protocol in its sale to Polygon.
- CareDx in its financings, option exchange program and acquisitions of MedActionPlan, TransChart, XynManagement and OTTR.
- Ava Labs (Avalanche) in its corporate matters.
- NeuBase Therapeutics in its reverse merger with Ohr Pharmaceutical and acquisition of assets of Vera Therapeutics.
- FuzzyBot in its preferred stock financing.
- Alpha Teknova in its initial public offering.
- Penumbra Labs in its preferred stock financing.
- Hero Research in its sale to People.ai.
- Jasper Therapeutics in its reverse merger (deSPAC) with Amplitude Healthcare Acquisition Corporation.
- Seqster PDM in its preferred stock financing.
- River Financial in its corporate matters and preferred stock financings.
- Paige.ai in its preferred stock financing.
- Orphion Therapeutics in its preferred stock financing.
- Aterian in its IPO and acquisitions of Truweo and various e-commerce business brands.
- Valente Sherman (VISO Trust) in its preferred stock financings.
- Zycada Networks in its preferred stock financing.
- Kasha Global in its preferred stock financing.
- kimkim in its financing transaction.
- Polychain Capital in its investments.
- Veriflow Systems in its financings and sale to VMware.
- PredictImmune in its preferred stock financing.
- Scilex Holding Company in its financings and acquisition of Semnur Pharmaceuticals.
- selectION in its preferred stock financing.
- Aardvark Therapeutics in its preferred stock financings.
- OneStream Software in its financing by KKR.
- Zededa in its preferred stock financings.
- Oasis Labs in its financings and corporate matters.
- Seelos Therapeutics in its reverse merger with Apricus Biosciences, license with Ligand Pharmaceuticals and financings.
- BlastWave in its preferred stock financing.
- Hummingbird Regtech in its preferred stock financings.
- healthblock in its financing led by XSeed Capital.
- Integrated DNA Technologies in its financing led by Summit Partners, partnership with Illumina and sale to Danaher Corporation.
- Shift Financial in its merger with Ledgee
- Mobile Gaming Technologies in its partnership with Arsenal Football Club.
- Redmile Group in its financings.
- Corsair Components in its sale to EagleTree Capital.
- Darmiyan in its financing transactions.
- Mission Bio in its venture-backed financing transactions.
- Tapclicks in its debt financing by SaaS Capital.
- J.T. Posey Company in its sale to RoundTable Healthcare Partners.
- Biopop in its sale to Intrexon Corporation.
- Enplas America in its equity and debt investments.
- Matrix Industries in its equity and debt financing transactions.
- Eprazel in its strategic financing by Renren.
- Samumed in its financing transactions.
- SMA Solar Technology AG in its investment in Tigo Energy.
- Filld in its financings by Lightspeed Partners, Javelin Partners and PivotNorth.
- Plum in its strategic financing by Renren.
- Procera Networks in its acquisition of Vineyard Networks and sale to Francisco Partners.
- Viking Therapeutics in its IPO, follow-on public offerings and equity line financing.
- Kosei in its sale to Pinterest.
- Boomtown Networks in its strategic financings.
- RightSignature in its sale to Citrix Systems.
- Samsung Electronics in the sale of its joint venture stake to, and strategic investment in, Corning Incorporated.
- Fox Factory in its IPO.
- YFind Technologies in its sale to Ruckus Wireless.
- Corsair Components in the strategic financing by Francisco Partners and its acquisition of Simple Audio.
- The underwriters, led by Goldman Sachs and Deutsche Bank Securities, in the initial public offering of Envivio.
- Monitise in its acquisition of ClairMail.
- Samsung Electronics in the sale of its hard disk-drive unit to Seagate Technology.
- Exceptional Cloud Services in its sale to Rackspace Hosting.
- Samsung Electronics in its acquisition of Nexus Dx.
- Houlihan Lokey as exclusive dealer-manager for Network Communications’s senior notes exchange offer, consent solicitation and balance sheet restructuring.
- Hanwha Chemical in its strategic investment in Solarfun Power Holdings.
- Mint Software (mint.com) in its sale to Intuit.
- Sybase in its 144A-for-life convertible notes offering.
- AviaraDx in its sale to bioMerieux.
- Warburg Pincus in its exchangeable bond investment in Synutra International.
- CryoCor in its IPO.
- The Titan Corporation in its acquisition of Jaycor in a stock-for-stock merger.
- Favrille in its IPO.
- MannKind Corporation in its IPO.
- Applied Micro Circuits Corporation in its acquisition of JNI Corporation.
- Woodside Biomedical in its sale to Abbott Laboratories.
News
- Paul Hastings Advises Stifel and Needham on VIAVI’s $557.2 Million Common Stock Offering - May 21st, 2026
- Paul Hastings Advises ACEA Therapeutics on Its Stock Acquisition Agreement With Phoenix Asia - May 6th, 2026
- Paul Hastings Advises VISO TRUST on Its Acquisition by Protecht Group - April 29th, 2026
- Paul Hastings Advises Scilex Holding Company in Bitcoin Investment in Datavault AI - September 30th, 2025
- Paul Hastings Advises Semnur Pharmaceuticals on Closing of Business Combination With Denali Capital Acquisition - September 23rd, 2025
- Paul Hastings Advises Paige.AI in $81.25 Million Acquisition by Tempus AI - August 27th, 2025
- Paul Hastings Advises Organovo Holdings in Sale of FXR Program to Eli Lilly - March 26th, 2025
- Paul Hastings Advises Vantage Discovery in Sale to Shopify - March 21st, 2025
- Paul Hastings Advising Aardvark Therapeutics on Its IPO - February 13th, 2025
- Paul Hastings Advised Xencor, Inc. on $175 Million Common Stock Underwritten Public Offering - September 13th, 2024
- Paul Hastings Advised Semnur Pharmaceuticals, Inc. in $2.5 Billion SPAC Merger Agreement with Denali Capital Acquisition Corp. - September 3rd, 2024
- Paul Hastings Advised Viking Therapeutics on its $632.5 Million Public Offering of Common Stock - March 4th, 2024
- Paul Hastings Advised Zededa, Inc. on $72 Million Growth Financing - February 14th, 2024
- Paul Hastings Advised Kyverna Therapeutics on $319 Million Upsized IPO - February 9th, 2024
- Paul Hastings Advised Jasper Therapeutics on $50 Million Common Stock Offering - February 8th, 2024
- Paul Hastings Advised Corcept Therapeutics in its $145.4 Million Tender Offer - April 7th, 2023
- Paul Hastings Advised Viking Therapeutics in its $287.5 Million Public Offering of Common Stock - April 6th, 2023
- Paul Hastings Advised Jasper Therapeutics in $103.5 Million Public Offering - January 27th, 2023
- Paul Hastings Advised Scilex Holding Company in Business Combination - November 11th, 2022
Insights
- SEC Proposes Registered Offering Reforms to Significantly Enhance Access to Public Capital Markets - May 27th, 2026
- SEC Proposes Rules to Significantly Reduce Disclosure Obligations for Public Companies - May 27th, 2026
- SEC Proposes Optional Semiannual Reporting - May 7th, 2026
- Qualified Small Business Stock Tax Benefits Expanded for Early-Stage Companies and Investors - July 16th, 2025
- Exchanges Propose Listing Standards Related to Executive Compensation Clawback Rules - April 5th, 2023
- SEC Adopts Amendments Revamping Rule 10b5-1 Trading Regime and Mandating Related Disclosures - December 23rd, 2022
- SEC Adopts Amendments Revamping Rule 10b5-1 Trading Regime and Mandating Related Disclosures - December 23rd, 2022
- SEC Adopts Executive Compensation Clawback Rules - November 4th, 2022
- SEC Adopts Executive Compensation Clawback Rules - November 4th, 2022
Engagement & Publications
- SEC Hot Topics Institute, San Diego, CA, Speaker
- “ISS Proxy Voting Guidelines,” Chicago, IL, Speaker
- “Hot Issues in Private Company Governance,” Colorado Springs, CO, Speaker
- “Briefing on Proxy Access, Executive Compensation and Corporate Governance under the Dodd-Frank (Wall Street Reform) Act,” Speaker
- “Briefing on Registered Direct and At-the-Market Equity Offerings: Trends for Raising Capital in 2010,” Los Angeles, CA, Speaker (2010)
- “A Roadmap to Emerging Financing Alternatives Leveraging Opportunities in Rights Offerings, Registered Directs, and More,” Speaker
- “Interactive Webinar: PIPEs: The Ever-Evolving Financing Technique,” Speaker
Involvement
- Member – California State Bar Association
- Member – Committee on Federal Regulation of Securities of the American Bar Association
- Former member – Board of Directors of the National Kidney Foundation of Northern California