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The Data Protection Checklist Every Startup Should Run Before Launch

data privacy lawyer

 

Launching a product is exciting. You’ve built something useful, tested it, and you’re ready to put it out into the world. But before you push that big green button, there’s one area too many startups overlook: data protection.

You’re handling personal data if your platform collects user information like names, emails, payment details, and usage data. That means legal obligations, risk, and a serious user trust factor. A few smart checks before launch can help you stay compliant and avoid problems later.

Here’s a checklist every tech startup should run before going live, with insights from what a data privacy lawyer California looks for when reviewing a product.

  1. Know what data you’re collecting and why

Start with your product’s actual data flows. What user data do you collect? What fields are required, and which are optional? Are you tracking behavior, geolocation, or device usage? You need to know precisely what information your product touches.

More isn’t better. Only collect what you actively use. Storing extra data “just in case” opens you up to more risk with zero upside. A privacy law attorney can help you audit this, prioritize what’s essential, and identify anything that shouldn’t be collected.

  1. Have a real privacy policy and make sure it matches your product

Your privacy policy isn’t a throwaway page. It’s a legal document that tells users (and regulators) what you collect, why, and how you store and share it. Copying one from another startup won’t cut it.

A good privacy policy should:

  • Match your product’s actual behavior
  • Name all third-party tools you use (analytics, payment processors, CRMs)
  • Explain how users can contact you about their data
  1. Set up cookie tracking properly

Most websites and apps use cookies or similar tracking tools. If you do, you need to get consent the right way. That means no pre-checked boxes, vague banners, or silent tracking on first load.

You should:

  • Let users know what kind of cookies you use
  • Separate “essential” from “marketing” or “analytics”
  • Give users a way to opt in or out
  1. Build consent into the user experience

Every data point you collect should come with built-in consent. That means more than burying terms in fine print. It means giving users clear choices and explaining what happens when they say yes.

For example:

  • Asking users to check a box before signing up for emails
  • Letting users choose which types of data they want to share
  • Providing opt-out links that work

Consent needs to be freely given, informed, and revocable. A data privacy lawyer will focus on how this plays out in your product, not just in your legal docs.

  1. Create a plan for user data requests

Under laws like GDPR and CPRA, users can request to see their data on you, or ask you to delete it entirely. Your product and internal workflows need to support this.

You should have:

  • A contact method for data requests (email or web form)
  • A timeline for responding
  • A way to fulfill the request within your systems
  1. Review your third-party tools

If your app or site uses third-party vendors like Stripe, Mixpanel, Firebase, or Mailchimp, you’re likely sharing user data with them. That’s fine, as long as you’re transparent and those vendors have strong privacy practices.

Before launch:

  • List all third-party tools in your privacy policy
  • Review their terms of service and privacy notices
  • Double-check how they store, process, or share your data

A data privacy lawyer can often spot risks in your vendor stack that product teams miss. For example, you might use a tool that stores data outside the U.S., triggering added obligations under specific laws.

  1. Make data retention decisions early

How long will you keep user data? What happens when someone stops using your product? These are questions that matter, especially when it comes to legal compliance.

Set clear internal rules for:

  • How long do you store different types of data
  • What triggers data deletion (account deactivation, inactivity, etc)
  • How backups or archives are handled

This also helps you stay lean by reducing storage costs and risk exposure.

Train your team, even if it’s small

Privacy is a team effort. Even with a small crew, everyone should understand how your product handles user data, including marketing, engineering, and customer support.

You don’t need a formal program. A short doc or 15-minute walkthrough with your privacy law attorney California can make a big difference. The goal is to avoid mistakes from people simply not knowing the rules.

Bring legal into your product process

Legal shouldn’t be something you deal with after launch. It should be part of how you build. A privacy law attorney who understands startups won’t give you a hundred-page policy and walk away. They’ll help you embed innovative data practices into your product as it evolves.

Uncommon Counsel partners with tech founders to make privacy part of the build, not a roadblock. If you’re getting close to launch and need a clear, startup-friendly data check, reach out here.

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