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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> E-trademarks <e-trademarks-bounces@oppedahl-lists.com> on behalf of Mark Kaufman via E-trademarks <e-trademarks@oppedahl-lists.com><br>
<b>Sent:</b> Monday, October 13, 2025 5:00 PM<br>
<b>To:</b> For trademark practitioners. This is not for laypersons to seek legal advice. <e-trademarks@oppedahl-lists.com><br>
<b>Cc:</b> Mark Kaufman <kaufman@kaufmankahn.com><br>
<b>Subject:</b> Re: [E-trademarks] New authentication methods</font>
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EXTERNAL EMAIL</div>
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<p class="x_MsoNormal">Microsoft Authenticator has been simple to use. </p>
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<li class="x_MsoListParagraph" style="margin-left:0in">Mark</li></ul>
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<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">Mark S. Kaufman</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">Kaufman & Kahn, LLP</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">10 Grand Central</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">155 East 44<sup>th</sup> Street, 19<sup>th</sup> Floor</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">New York, NY 10017</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">Office: +1 (212) 293-5556, x 2</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">Mobile: +1 (917) 453-7807</span></p>
<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">Email:
</span><a href="mailto:kaufman@kaufmankahn.com"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif; color:#0563c1">kaufman@kaufmankahn.com</span></a><span style="font-size:10.0pt; font-family:"Book Antiqua",serif">
</span></p>
<p class="x_MsoNormal"><a href="http://www.kaufmankahn.com/" originalsrc="http://www.kaufmankahn.com/"><span style="font-size:10.0pt; font-family:"Book Antiqua",serif; color:#0563c1">www.kaufmankahn.com</span></a></p>
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<p class="x_MsoNormal"><span style="font-size:10.0pt; font-family:"Calibri",sans-serif; color:#1f497d">This email is intended only for the party to whom it is addressed and may contain privileged or confidential information. If you are not the intended recipient,
you are hereby notified that any use, dissemination or copying of this email is prohibited. If you have received this email in error, kindly notify us immediately, return the email to us, and destroy any electronic or other copies of the email (including any
notification to us in your \u201cSent\u201d folder). Thank you in advance for your cooperation and courtesy.</span></p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> E-trademarks <<a href="mailto:e-trademarks-bounces@oppedahl-lists.com">e-trademarks-bounces@oppedahl-lists.com</a>>
<b>On Behalf Of </b>carla calcagno via E-trademarks<br>
<b>Sent:</b> Monday, October 13, 2025 4:52 PM<br>
<b>To:</b> Oppedahl Carl <<a href="mailto:e-trademarks@oppedahl-lists.com">e-trademarks@oppedahl-lists.com</a>><br>
<b>Cc:</b> carla calcagno <<a href="mailto:cccalcagno@gmail.com">cccalcagno@gmail.com</a>><br>
<b>Subject:</b> [E-trademarks] New authentication methods</span></p>
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<p class="x_MsoNormal">Has anyone researched or have any thoughts on the new 2 step authentication methods required by the USPTO. For example, has anyone used OKTA, Google Authenticator, or Microsoft Authenticator?</p>
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<p class="x_MsoNormal">I am looking for the simplest to install/ use/ and configure across both Apple and PC devices.</p>
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<p class="x_MsoNormal">Thank you!</p>
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<p class="x_MsoNormal">Carla Calcagno</p>
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