diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 805cfb7..02c88e2 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -10405,6 +10405,7 @@
   @FlaggedApi("android.nfc.enable_nfc_mainline") public final class ApduServiceInfo implements android.os.Parcelable {
     ctor @FlaggedApi("android.nfc.enable_nfc_mainline") public ApduServiceInfo(@NonNull android.content.pm.PackageManager, @NonNull android.content.pm.ResolveInfo, boolean) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") public void addPollingLoopFilter(@NonNull String, boolean);
+    method @FlaggedApi("android.nfc.nfc_read_polling_loop") public void addPollingLoopPatternFilter(@NonNull String, boolean);
     method @FlaggedApi("android.nfc.enable_nfc_mainline") public int describeContents();
     method @FlaggedApi("android.nfc.enable_nfc_mainline") public void dump(@NonNull android.os.ParcelFileDescriptor, @NonNull java.io.PrintWriter, @NonNull String[]);
     method @FlaggedApi("android.nfc.enable_nfc_mainline") public void dumpDebug(@NonNull android.util.proto.ProtoOutputStream);
@@ -10416,6 +10417,7 @@
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @NonNull public android.nfc.cardemulation.AidGroup getDynamicAidGroupForCategory(@NonNull String);
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @Nullable public String getOffHostSecureElement();
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") @NonNull public java.util.List<java.lang.String> getPollingLoopFilters();
+    method @FlaggedApi("android.nfc.nfc_read_polling_loop") @NonNull public java.util.List<java.util.regex.Pattern> getPollingLoopPatternFilters();
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @NonNull public java.util.List<java.lang.String> getPrefixAids();
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @NonNull public String getSettingsActivityName();
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean getShouldAutoTransact(@NonNull String);
@@ -10430,6 +10432,7 @@
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @NonNull public CharSequence loadLabel(@NonNull android.content.pm.PackageManager);
     method @FlaggedApi("android.nfc.enable_nfc_mainline") @NonNull public boolean removeDynamicAidGroupForCategory(@NonNull String);
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") public void removePollingLoopFilter(@NonNull String);
+    method @FlaggedApi("android.nfc.nfc_read_polling_loop") public void removePollingLoopPatternFilter(@NonNull String);
     method @FlaggedApi("android.nfc.enable_nfc_mainline") public boolean requiresScreenOn();
     method @FlaggedApi("android.nfc.enable_nfc_mainline") public boolean requiresUnlock();
     method @FlaggedApi("android.nfc.enable_nfc_mainline") public void resetOffHostSecureElement();
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 48cf09a..4611c15 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -4484,6 +4484,21 @@
         <attr name="autoTransact" format="boolean"/>
     </declare-styleable>
 
+    <!-- Specify one or more <code>polling-loop-pattern-filter</code> elements inside a
+         <code>host-apdu-service</code> to indicate polling loop frames that
+         your service can handle. -->
+    <!-- @FlaggedApi("android.nfc.Flags.FLAG_NFC_READ_POLLING_LOOP") -->
+    <declare-styleable name="PollingLoopPatternFilter">
+        <!-- The patter to match polling loop frames to, must to be compatible with
+         {@link java.util.regex.Pattern#compile(String)} and only contain hexadecimal numbers and
+         `.`, `?` and `*` operators. This attribute is mandatory. -->
+        <attr name="name" />
+        <!-- Whether or not the system should automatically start a transaction when this polling
+         loop filter matches. If not set, default value is false. -->
+        <!-- @FlaggedApi("android.nfc.Flags.FLAG_NFC_READ_POLLING_LOOP") -->
+        <attr name="autoTransact" format="boolean"/>
+    </declare-styleable>
+
     <!-- Use <code>host-nfcf-service</code> as the root tag of the XML resource that
          describes an {@link android.nfc.cardemulation.HostNfcFService} service, which
          is referenced from its {@link android.nfc.cardemulation.HostNfcFService#SERVICE_META_DATA}
diff --git a/nfc/api/current.txt b/nfc/api/current.txt
index 9e0bb86..da292a81 100644
--- a/nfc/api/current.txt
+++ b/nfc/api/current.txt
@@ -205,7 +205,10 @@
     method public boolean isDefaultServiceForCategory(android.content.ComponentName, String);
     method public boolean registerAidsForService(android.content.ComponentName, String, java.util.List<java.lang.String>);
     method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean registerPollingLoopFilterForService(@NonNull android.content.ComponentName, @NonNull String, boolean);
+    method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean registerPollingLoopPatternFilterForService(@NonNull android.content.ComponentName, @NonNull String, boolean);
     method public boolean removeAidsForService(android.content.ComponentName, String);
+    method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean removePollingLoopFilterForService(@NonNull android.content.ComponentName, @NonNull String);
+    method @FlaggedApi("android.nfc.nfc_read_polling_loop") public boolean removePollingLoopPatternFilterForService(@NonNull android.content.ComponentName, @NonNull String);
     method @NonNull @RequiresPermission(android.Manifest.permission.NFC) public boolean setOffHostForService(@NonNull android.content.ComponentName, @NonNull String);
     method public boolean setPreferredService(android.app.Activity, android.content.ComponentName);
     method @FlaggedApi("android.nfc.nfc_observe_mode") public boolean setShouldDefaultToObserveModeForService(@NonNull android.content.ComponentName, boolean);
diff --git a/nfc/java/android/nfc/INfcCardEmulation.aidl b/nfc/java/android/nfc/INfcCardEmulation.aidl
index 85a07b7..cb97f23 100644
--- a/nfc/java/android/nfc/INfcCardEmulation.aidl
+++ b/nfc/java/android/nfc/INfcCardEmulation.aidl
@@ -33,10 +33,13 @@
     boolean setShouldDefaultToObserveModeForService(int userId, in android.content.ComponentName service, boolean enable);
     boolean registerAidGroupForService(int userHandle, in ComponentName service, in AidGroup aidGroup);
     boolean registerPollingLoopFilterForService(int userHandle, in ComponentName service, in String pollingLoopFilter, boolean autoTransact);
+    boolean registerPollingLoopPatternFilterForService(int userHandle, in ComponentName service, in String pollingLoopPatternFilter, boolean autoTransact);
     boolean setOffHostForService(int userHandle, in ComponentName service, in String offHostSecureElement);
     boolean unsetOffHostForService(int userHandle, in ComponentName service);
     AidGroup getAidGroupForService(int userHandle, in ComponentName service, String category);
     boolean removeAidGroupForService(int userHandle, in ComponentName service, String category);
+    boolean removePollingLoopFilterForService(int userHandle, in ComponentName service, in String pollingLoopFilter);
+    boolean removePollingLoopPatternFilterForService(int userHandle, in ComponentName service, in String pollingLoopPatternFilter);
     List<ApduServiceInfo> getServices(int userHandle, in String category);
     boolean setPreferredService(in ComponentName service);
     boolean unsetPreferredService();
diff --git a/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java b/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java
index 2c7d61e..be3c248 100644
--- a/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java
+++ b/nfc/java/android/nfc/cardemulation/ApduServiceInfo.java
@@ -108,6 +108,8 @@
 
     private final Map<String, Boolean> mAutoTransact;
 
+    private final Map<Pattern, Boolean> mAutoTransactPatterns;
+
     /**
      * Whether this service should only be started when the device is unlocked.
      */
@@ -179,7 +181,7 @@
         this(info, onHost, description, staticAidGroups, dynamicAidGroups,
                 requiresUnlock, requiresScreenOn, bannerResource, uid,
                 settingsActivityName, offHost, staticOffHost, isEnabled,
-                new HashMap<String, Boolean>());
+                new HashMap<String, Boolean>(), new HashMap<Pattern, Boolean>());
     }
 
     /**
@@ -189,12 +191,13 @@
             List<AidGroup> staticAidGroups, List<AidGroup> dynamicAidGroups,
             boolean requiresUnlock, boolean requiresScreenOn, int bannerResource, int uid,
             String settingsActivityName, String offHost, String staticOffHost, boolean isEnabled,
-            HashMap<String, Boolean> autoTransact) {
+            Map<String, Boolean> autoTransact, Map<Pattern, Boolean> autoTransactPatterns) {
         this.mService = info;
         this.mDescription = description;
         this.mStaticAidGroups = new HashMap<String, AidGroup>();
         this.mDynamicAidGroups = new HashMap<String, AidGroup>();
         this.mAutoTransact = autoTransact;
+        this.mAutoTransactPatterns = autoTransactPatterns;
         this.mOffHostName = offHost;
         this.mStaticOffHostName = staticOffHost;
         this.mOnHost = onHost;
@@ -314,6 +317,7 @@
             mStaticAidGroups = new HashMap<String, AidGroup>();
             mDynamicAidGroups = new HashMap<String, AidGroup>();
             mAutoTransact = new HashMap<String, Boolean>();
+            mAutoTransactPatterns = new HashMap<Pattern, Boolean>();
             mOnHost = onHost;
 
             final int depth = parser.getDepth();
@@ -408,6 +412,18 @@
                             false);
                     mAutoTransact.put(plf, autoTransact);
                     a.recycle();
+                } else if (eventType == XmlPullParser.START_TAG
+                        && "polling-loop-pattern-filter".equals(tagName) && currentGroup == null) {
+                    final TypedArray a = res.obtainAttributes(attrs,
+                            com.android.internal.R.styleable.PollingLoopPatternFilter);
+                    String plf = a.getString(
+                            com.android.internal.R.styleable.PollingLoopPatternFilter_name)
+                                    .toUpperCase(Locale.ROOT);
+                    boolean autoTransact = a.getBoolean(
+                            com.android.internal.R.styleable.PollingLoopFilter_autoTransact,
+                            false);
+                    mAutoTransactPatterns.put(Pattern.compile(plf), autoTransact);
+                    a.recycle();
                 }
             }
         } catch (NameNotFoundException e) {
@@ -481,7 +497,30 @@
      */
     @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
     public boolean getShouldAutoTransact(@NonNull String plf) {
-        return mAutoTransact.getOrDefault(plf.toUpperCase(Locale.ROOT), false);
+        if (mAutoTransact.getOrDefault(plf.toUpperCase(Locale.ROOT), false)) {
+            return true;
+        }
+        List<Pattern> patternMatches = mAutoTransactPatterns.keySet().stream()
+                .filter(p -> p.matcher(plf).matches()).toList();
+        if (patternMatches == null || patternMatches.size() == 0) {
+            return false;
+        }
+        for (Pattern patternMatch : patternMatches) {
+            if (mAutoTransactPatterns.get(patternMatch)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns the current polling loop pattern filters for this service.
+     * @return List of polling loop pattern filters.
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    @NonNull
+    public List<Pattern> getPollingLoopPatternFilters() {
+        return new ArrayList<>(mAutoTransactPatterns.keySet());
     }
 
     /**
@@ -683,7 +722,7 @@
      * Add a Polling Loop Filter. Custom NFC polling frames that match this filter will be
      * delivered to {@link HostApduService#processPollingFrames(List)}. Adding a key with this
      * multiple times will cause the value to be overwritten each time.
-     * @param pollingLoopFilter the polling loop filter to add, must be a  valide hexadecimal string
+     * @param pollingLoopFilter the polling loop filter to add, must be a valid hexadecimal string
      */
     @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
     public void addPollingLoopFilter(@NonNull String pollingLoopFilter,
@@ -703,6 +742,31 @@
     }
 
     /**
+     * Add a Polling Loop Pattern Filter. Custom NFC polling frames that match this filter will be
+     * delivered to {@link HostApduService#processPollingFrames(List)}. Adding a key with this
+     * multiple times will cause the value to be overwritten each time.
+     * @param pollingLoopPatternFilter the polling loop pattern filter to add, must be a valid
+     *                                regex to match a hexadecimal string
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    public void addPollingLoopPatternFilter(@NonNull String pollingLoopPatternFilter,
+            boolean autoTransact) {
+        mAutoTransactPatterns.put(Pattern.compile(pollingLoopPatternFilter), autoTransact);
+
+    }
+
+    /**
+     * Remove a Polling Loop Pattern Filter. Custom NFC polling frames that match this filter will
+     * no longer be delivered to {@link HostApduService#processPollingFrames(List)}.
+     * @param pollingLoopPatternFilter this polling loop filter to add.
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    public void removePollingLoopPatternFilter(@NonNull String pollingLoopPatternFilter) {
+        mAutoTransactPatterns.remove(
+                Pattern.compile(pollingLoopPatternFilter.toUpperCase(Locale.ROOT)));
+    }
+
+    /**
      * Sets the off host Secure Element.
      * @param  offHost  Secure Element to set. Only accept strings with prefix SIM or prefix eSE.
      *                  Ref: GSMA TS.26 - NFC Handset Requirements
@@ -856,6 +920,8 @@
         dest.writeInt(mCategoryOtherServiceEnabled ? 1 : 0);
         dest.writeInt(mAutoTransact.size());
         dest.writeMap(mAutoTransact);
+        dest.writeInt(mAutoTransactPatterns.size());
+        dest.writeMap(mAutoTransactPatterns);
     };
 
     @FlaggedApi(Flags.FLAG_ENABLE_NFC_MAINLINE)
@@ -889,10 +955,15 @@
                             new HashMap<String, Boolean>(autoTransactSize);
                     source.readMap(autoTransact, getClass().getClassLoader(),
                             String.class, Boolean.class);
+                    int autoTransactPatternSize = source.readInt();
+                    HashMap<Pattern, Boolean> autoTransactPatterns =
+                            new HashMap<Pattern, Boolean>(autoTransactSize);
+                    source.readMap(autoTransactPatterns, getClass().getClassLoader(),
+                            Pattern.class, Boolean.class);
                     return new ApduServiceInfo(info, onHost, description, staticAidGroups,
                             dynamicAidGroups, requiresUnlock, requiresScreenOn, bannerResource, uid,
                             settingsActivityName, offHostName, staticOffHostName,
-                            isEnabled, autoTransact);
+                            isEnabled, autoTransact, autoTransactPatterns);
                 }
 
                 @Override
diff --git a/nfc/java/android/nfc/cardemulation/CardEmulation.java b/nfc/java/android/nfc/cardemulation/CardEmulation.java
index 18c1a8b..f3c4ea7 100644
--- a/nfc/java/android/nfc/cardemulation/CardEmulation.java
+++ b/nfc/java/android/nfc/cardemulation/CardEmulation.java
@@ -45,6 +45,7 @@
 import java.util.HashMap;
 import java.util.HexFormat;
 import java.util.List;
+import java.util.Locale;
 import java.util.regex.Pattern;
 
 /**
@@ -61,6 +62,7 @@
  */
 public final class CardEmulation {
     private static final Pattern AID_PATTERN = Pattern.compile("[0-9A-Fa-f]{10,32}\\*?\\#?");
+    private static final Pattern PLPF_PATTERN = Pattern.compile("[0-9A-Fa-f,\\?,\\*\\.]*");
 
     static final String TAG = "CardEmulation";
 
@@ -379,9 +381,9 @@
      * auto-transact or not.  The PLF can be sequence of an
      * even number of at least 2 hexadecimal numbers (0-9, A-F or a-f), representing a series of
      * bytes. When non-standard polling loop frame matches this sequence exactly, it may be
-     * delivered to {@link HostApduService#processPollingFrames(List)}. If auto-transact is set to
-     * true, then observe mode will also be disabled.  if this service is currently preferred or
-     * there are no other services registered for this filter.
+     * delivered to {@link HostApduService#processPollingFrames(List)}.  If auto-transact
+     * is set to true and this service is currently preferred or there are no other services
+     * registered for this filter then observe mode will also be disabled.
      * @param service The HostApduService to register the filter for
      * @param pollingLoopFilter The filter to register
      * @param autoTransact true to have the NFC stack automatically disable observe mode and allow
@@ -416,6 +418,128 @@
     }
 
     /**
+     * Unregister a polling loop filter (PLF) for a HostApduService. If the PLF had previously been
+     * registered via {@link #registerPollingLoopFilterForService(ComponentName, String, boolean)}
+     * for this service it will be removed.
+     * @param service The HostApduService to unregister the filter for
+     * @param pollingLoopFilter The filter to unregister
+     * @return true if the filter was removed, false otherwise
+     * @throws IllegalArgumentException if the passed in string doesn't parse to at least one byte
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    public boolean removePollingLoopFilterForService(@NonNull ComponentName service,
+            @NonNull String pollingLoopFilter) {
+        pollingLoopFilter = validatePollingLoopFilter(pollingLoopFilter);
+
+        try {
+            return sService.removePollingLoopFilterForService(mContext.getUser().getIdentifier(),
+                    service, pollingLoopFilter);
+        } catch (RemoteException e) {
+            // Try one more time
+            recoverService();
+            if (sService == null) {
+                Log.e(TAG, "Failed to recover CardEmulationService.");
+                return false;
+            }
+            try {
+                return sService.removePollingLoopFilterForService(
+                        mContext.getUser().getIdentifier(), service,
+                        pollingLoopFilter);
+            } catch (RemoteException ee) {
+                Log.e(TAG, "Failed to reach CardEmulationService.");
+                return false;
+            }
+        }
+    }
+
+
+    /**
+     * Register a polling loop pattern filter (PLPF) for a HostApduService and indicate whether it
+     * should auto-transact or not. The pattern may include the characters 0-9 and A-F as well as
+     * the regular expression operators `.`, `?` and `*`. When the beginning of anon-standard
+     * polling loop frame matches this sequence exactly, it may be delivered to
+     * {@link HostApduService#processPollingFrames(List)}. If auto-transact is set to true and this
+     * service is currently preferred or there are no other services registered for this filter
+     * then observe mode will also be disabled.
+     * @param service The HostApduService to register the filter for
+     * @param pollingLoopPatternFilter The pattern filter to register, must to be compatible with
+     *         {@link java.util.regex.Pattern#compile(String)} and only contain hexadecimal numbers
+     *         and `.`, `?` and `*` operators
+     * @param autoTransact true to have the NFC stack automatically disable observe mode and allow
+     *         transactions to proceed when this filter matches, false otherwise
+     * @return true if the filter was registered, false otherwise
+     * @throws IllegalArgumentException if the filter containst elements other than hexadecimal
+     *         numbers and `.`, `?` and `*` operators
+     * @throws java.util.regex.PatternSyntaxException if the regex syntax is invalid
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    public boolean registerPollingLoopPatternFilterForService(@NonNull ComponentName service,
+            @NonNull String pollingLoopPatternFilter, boolean autoTransact) {
+        pollingLoopPatternFilter = validatePollingLoopPatternFilter(pollingLoopPatternFilter);
+
+        try {
+            return sService.registerPollingLoopPatternFilterForService(
+                    mContext.getUser().getIdentifier(),
+                    service, pollingLoopPatternFilter, autoTransact);
+        } catch (RemoteException e) {
+            // Try one more time
+            recoverService();
+            if (sService == null) {
+                Log.e(TAG, "Failed to recover CardEmulationService.");
+                return false;
+            }
+            try {
+                return sService.registerPollingLoopPatternFilterForService(
+                        mContext.getUser().getIdentifier(), service,
+                        pollingLoopPatternFilter, autoTransact);
+            } catch (RemoteException ee) {
+                Log.e(TAG, "Failed to reach CardEmulationService.");
+                return false;
+            }
+        }
+    }
+
+    /**
+     * Unregister a polling loop pattern filter (PLPF) for a HostApduService. If the PLF had
+     * previously been registered via
+     * {@link #registerPollingLoopFilterForService(ComponentName, String, boolean)} for this
+     * service it will be removed.
+     * @param service The HostApduService to unregister the filter for
+     * @param pollingLoopPatternFilter The filter to unregister, must to be compatible with
+     *         {@link java.util.regex.Pattern#compile(String)} and only contain hexadecimal numbers
+     *         and`.`, `?` and `*` operators
+     * @return true if the filter was removed, false otherwise
+     * @throws IllegalArgumentException if the filter containst elements other than hexadecimal
+     *         numbers and `.`, `?` and `*` operators
+     * @throws java.util.regex.PatternSyntaxException if the regex syntax is invalid
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    public boolean removePollingLoopPatternFilterForService(@NonNull ComponentName service,
+            @NonNull String pollingLoopPatternFilter) {
+        pollingLoopPatternFilter = validatePollingLoopPatternFilter(pollingLoopPatternFilter);
+
+        try {
+            return sService.removePollingLoopPatternFilterForService(
+                    mContext.getUser().getIdentifier(), service, pollingLoopPatternFilter);
+        } catch (RemoteException e) {
+            // Try one more time
+            recoverService();
+            if (sService == null) {
+                Log.e(TAG, "Failed to recover CardEmulationService.");
+                return false;
+            }
+            try {
+                return sService.removePollingLoopPatternFilterForService(
+                        mContext.getUser().getIdentifier(), service,
+                        pollingLoopPatternFilter);
+            } catch (RemoteException ee) {
+                Log.e(TAG, "Failed to reach CardEmulationService.");
+                return false;
+            }
+        }
+    }
+
+    /**
      * Registers a list of AIDs for a specific category for the
      * specified service.
      *
@@ -1027,6 +1151,23 @@
     }
 
     /**
+     * Tests the validity of the polling loop pattern filter.
+     * @param pollingLoopPatternFilter The polling loop filter to test.
+     *
+     * @hide
+     */
+    @FlaggedApi(Flags.FLAG_NFC_READ_POLLING_LOOP)
+    public static @NonNull String validatePollingLoopPatternFilter(
+        @NonNull String pollingLoopPatternFilter) {
+        // Verify hex characters
+        if (!PLPF_PATTERN.matcher(pollingLoopPatternFilter).matches()) {
+            throw new IllegalArgumentException(
+                "Polling loop pattern filters may only contain hexadecimal numbers, ?s and *s");
+        }
+        return Pattern.compile(pollingLoopPatternFilter.toUpperCase(Locale.ROOT)).toString();
+    }
+
+    /**
      * A valid AID according to ISO/IEC 7816-4:
      * <ul>
      * <li>Has >= 5 bytes and <=16 bytes (>=10 hex chars and <= 32 hex chars)