Intellectual Property | BOLLSEN® Hearing Protection

Intellectual Property

BOLLSEN® protects its innovations to safeguard product authenticity, user safety, and brand trust. Below you’ll find an overview of our patents, designs, and trademarks, as well as links to independent testing and certifications.

Our commitment & medical expertise

Family-owned since 2016, BOLLSEN® designs certified, eco-friendly earplugs made from hypoallergenic medical silicone—trusted by over one million users worldwide. Product development is informed by medical expertise from Dr. med. spec. Kurbegovic, MD – Specialist in Family Medicine, ensuring optimal hearing protection, all-night comfort, and overall ear health.

Patents & registered designs

Our earplug design is protected by a U.S. Design Patent D961,757 (USPTO). We also hold design protections via international routes covering key markets including the European Union and United Kingdom.

  • Design protection for earplugs (U.S. design patent; international designations via Hague/WIPO routes).
  • Scope covers the ornamental design of BOLLSEN® earplugs used across our core product families.

For an overview of our protections, see Intellectual Property overview (this page).

Trademarks

BOLLSEN® brand identifiers, product families, and proprietary technologies are protected by trademark registrations in the EU, UK, USA, Canada, Australia, and Japan. This includes protection for our innovation program AR KI TECH (Augmented Reality + AI).

  • BOLLSEN® (word/device marks; multiple classes incl. Class 10).
  • Life+, WorkPro, Moto+, Watersafe+, Kidz+ (where applicable, by jurisdiction).
  • AR KI TECH (technology/process branding for AR + AI sizing workflow).

Trademark protection helps consumers identify genuine BOLLSEN® products and prevents brand misuse or confusion.

Independent testing & certifications

Beyond legal protection, each BOLLSEN® earplug model is independently tested and certified by PZT GmbH (Notified Body No. 1974), an accredited laboratory in Wilhelmshaven, Germany. Our products meet strict international standards with compliance coverage for the EU, USA, Canada, UK, Australia, and New Zealand.

For transparency, review our independent third-party lab test results including certificates, attenuation values, and conformity documents.

Why intellectual property matters

  • Authenticity: Clear identification of genuine BOLLSEN® products.
  • User safety: Prevents low-quality imitations that could compromise protection.
  • Innovation: Encourages investment in R&D (e.g., AR KI TECH sizing, eco-friendly materials).
  • Global trust: Consistent brand standards across jurisdictions.

IP & compliance — FAQ

What protections cover BOLLSEN® earplugs?
A granted U.S. design patent for earplugs, plus registered designs and trademarks across the EU, UK, USA, Canada, Australia, and Japan.
How does IP protection benefit customers?
It safeguards authenticity and safety, ensuring the product you buy meets the performance and comfort standards associated with BOLLSEN®.
Are BOLLSEN® products independently certified?
Yes. Models are tested by PZT GmbH (NB 1974) and certified for multiple regions. See our independent third-party lab test results.
How can I report suspected infringement or counterfeits?
Please contact our compliance team via the site’s contact form with links, screenshots, marketplace IDs, and seller details. We review every report.
© BOLLSEN® Hearing Protection · Intellectual Property · Patents, Designs & Trademarks · Independently Tested by PZT GmbH (NB 1974)