Envoy Medical Expands Global Patent Portfolio with New Issuances in Australia

White Bear Lake, Minnesota--(Newsfile Corp. - July 1, 2025) - Envoy Medical® Inc. (NASDAQ:COCH) ("Envoy Medical"), a hearing health company focused on developing innovative, fully implanted hearing solutions, today announced the issuance of three new patents, further strengthening its intellectual property portfolio in Australia.

The Australian Patent Office has issued the following three patents to Envoy Medical Corporation:

• Australian Patent No. 2021391396 on April 24, 2025. The title of the patent is Implantable Cochlear Implant Stimulation Calibration. This patent relates to cochlear implant systems having a testing circuit that determines an amount of current provided by a source element of the system. The source element can be adjusted to calibrate an amount of current provided by the system during stimulation.

• Australian Patent No. 2021390456, on May 8, 2025. The title of the patent is Combination Hearing Aid and Cochlear Implant System. This patent relates to cochlear implant systems that update operations to compensate for the presence of an external hearing aid to improve simultaneous operation of the cochlear implant system and the external hearing aid and prevent the hearing aid from skewing sounds perceived by a wearer.

• Australian Patent No. 2022227534, on May 22, 2025. The title of the patent is Recharge System for Implantable Battery. This patent relates to systems and methods for predicting a cumulative thermal dose associated with charging an implanted rechargeable battery and monitoring charging parameters such as temperature to minimize battery charging time while maintaining safe thermal conditions.

"These latest patent issuances continue to expand the depth and breadth of our intellectual property and reflect our commitment to advancing hearing technology that is integrated into patients' lives," said Brent Lucas, CEO of Envoy Medical. "Our team remains focused on delivering differentiated solutions that move the industry forward and are designed to meet the real-world needs of people living with hearing loss."

Envoy Medical's fully implanted technologies are designed to eliminate external components and leverage the natural anatomy of the ear for sound detection, offering a fundamentally different experience from traditional hearing aids or partially implanted systems.

For more information about Envoy Medical's innovation pipeline and intellectual property portfolio, visit www.envoymedical.com.

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About Envoy Medical, Inc.

Envoy Medical (NASDAQ:COCH) is a hearing health company focused on providing innovative technologies across the hearing loss spectrum. Envoy Medical has pioneered one-of-a-kind, fully implanted devices for hearing loss, including its fully implanted Esteem® active middle ear implant, commercially available in the U.S. since 2010, and the fully implanted Acclaim® cochlear implant, an investigational device. Envoy Medical is dedicated to pushing hearing technology beyond the status quo to improve access, usability, compliance, and ultimately quality of life.

About the Fully Implanted Acclaim® Cochlear Implant

We believe the fully implanted Acclaim Cochlear Implant ("Acclaim CI") is a first-of-its-kind hearing device. Envoy Medical's fully implanted technology includes a sensor designed to leverage the natural anatomy of the ear instead of a microphone to capture sound.

The Acclaim CI is designed to address severe to profound sensorineural hearing loss that is not adequately addressed by hearing aids. The Acclaim CI is expected to be indicated for adults who have been deemed adequate candidates by a qualified physician.

The Acclaim Cochlear Implant received the Breakthrough Device Designation from the U.S. Food and Drug Administration (FDA) in 2019.

CAUTION The fully implanted Acclaim Cochlear Implant is an investigational device. Limited by Federal (or United States) law to investigational use.

About the Esteem® Fully Implanted Active Middle Ear Implant (FI-AMEI)

The Esteem fully implanted active middle ear implant (FI-AMEI) is the only FDA-approved, fully implanted* hearing device for adults diagnosed with moderate to severe sensorineural hearing loss allowing for 24/7 hearing capability using the ear's natural anatomy. The Esteem FI-AMEI hearing implant is invisible and requires no externally worn components and nothing is placed in the ear canal for it to function. Unlike hearing aids, you never put it on or take it off. You can't lose it. You don't clean it. The Esteem FI-AMEI hearing implant offers true 24/7 hearing.

*Once activated, the external Esteem FI-AMEI Personal Programmer is not required for daily use.

Important safety information for the Esteem FI-AMEI can be found at: https://www.envoymedical.com/safety-information.

Additional Information and Where to Find It

Copies of the documents filed by Envoy Medical with the SEC may be obtained free of charge at the SEC's website at www.sec.gov.

Forward-Looking Statements

This press release includes "forward-looking statements" within the meaning of the "safe harbor" provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-Looking statements may be identified by the use of words such as "estimate," "plan," "project," "forecast," "intend," "will," "expect," "anticipate," "believe," "seek," "target" or other similar expressions that predict or indicate future events or trends or that are not statements of historical matters, but the absence of these words does not mean that a statement is not forward-looking. Such statements may include, but are not limited to, statements regarding the expectations of Envoy Medical concerning the outlook for its business, productivity, plans and goals for future operational improvements and capital investments; the ability to obtain additional patents and develop future products or product improvements, the Acclaim CI being the first to market fully implanted cochlear implant, the timing and results of approvals, site documents, logistics, activations, enrollments, follow-up visits, data, and clinical trials of the Acclaim CI, and the participation or any changes in participation of any subjects, institutions, or healthcare professionals in such trials; the safety, performance, and market acceptance of the Acclaim CI; the size of Envoy Medical's addressable market, operational performance, future market conditions or economic performance and developments in the capital and credit markets and any information concerning possible or assumed future operations of Envoy Medical. The forward-looking statements contained in this press release reflect Envoy Medical's current views about future events and are subject to numerous known and unknown risks, uncertainties, assumptions and changes in circumstances that may cause its actual results to differ significantly from those expressed in any forward-looking statement. Envoy Medical does not guarantee that the events described will happen as described (or that they will happen at all). These forward-looking statements are subject to a number of risks and uncertainties, including, but not limited to changes in the market price of shares of Envoy Medical's Class A Common Stock; changes in or removal of Envoy Medical's shares inclusion in any index; Envoy Medical's success in retaining or recruiting, or changes required in, its officers, key employees or directors; unpredictability in the medical device industry, the regulatory process to approve medical devices, and the clinical development process of Envoy Medical products; competition in the medical device industry, and the failure to introduce new products and services in a timely manner or at competitive prices to compete successfully against competitors; disruptions in relationships with Envoy Medical's suppliers, or disruptions in Envoy Medical's own production capabilities for some of the key components and materials of its products; changes in the need for capital and the availability of financing and capital to fund these needs; changes in interest rates or rates of inflation; legal, regulatory and other proceedings could be costly and time-consuming to defend; changes in applicable laws or regulations, or the application thereof on Envoy Medical; a loss of any of Envoy Medical's key intellectual property rights or failure to adequately protect intellectual property rights; the effects of catastrophic events, including war, terrorism and other international conflicts; and other risks and uncertainties set forth in the section entitled "Risk Factors" and "Cautionary Note Regarding Forward Looking Statements" in the Annual Report on Form 10-K filed by Envoy Medical on March 31, 2025, and in other reports Envoy Medical files, with the SEC. If any of these risks materialize or Envoy Medical's assumptions prove incorrect, actual results could differ materially from the results implied by these forward-looking statements. While forward-looking statements reflect Envoy Medical's good faith beliefs, they are not guarantees of future performance. Envoy Medical disclaims any obligation to publicly update or revise any forward-looking statement to reflect changes in underlying assumptions or factors, new information, data or methods, future events or other changes after the date of this press release, except as required by applicable law. You should not place undue reliance on any forward-looking statements, which are based only on information currently available to Envoy Medical.

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SOURCE: Envoy Medical, Inc.

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